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Hitachi - NR90GC
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1. e _ RAO P Bracket 91 Fig 62 68 11 INSPECTION AND CONFIRMATION AFTER REASSEMBLY 1 Check only the main body for the following Check that the Pushing Lever 64 does not operate when the Feeder Knob 125 is at the forward end Check that the Pushing Lever 64 operates smoothly when the Feeder Knob 125 is pulled backward e Check that the Trigger 98 operates smoothly e Check that the Cell Lever 105 operates smoothly when pressing the Pushing Lever 64 against a workpiece e Press the Pushing Lever 64 against a workpiece and depress the Trigger 98 Check that the chamber assy is held at the top dead center and it does not return to the bottom dead center even if the Pushing Lever 64 is released Release the Trigger 98 and check that the chamber ass y returns to the bottom dead center 2 Check the main body with the battery loaded for the following e Check that the Prism 96 lights e Check that the Fan 20 rotates when pressing the Pushing Lever 64 against a workpiece e Check that the Fan 20 stops about 6 to 7 seconds after the Pushing Lever 64 is released 3 Check the main body with the battery fuel cell and nails loaded for the following e Check that no nail is driven just by depressing the Trigger 98 Check that no nail is driven just by pressing the Pushing Lever 64 against a workpiece check that the Fan 20 is
2. Section A A Housing Ass y 74 Blade Guide 53 Dri Cylinder Ass y 42 river blade Make the Cylinder Plate 57 contact with the convex portion of the Cylinder Ass y 42 Do not overlap the cylinder Plate 57 on the convex portion of the Cylinder Ass y 42 Cylinder Plate 57 wl A VW Seal Lock Socket Hd Bolt 5 10 58 portion of the Cylinder Ass y 42 Cylinder Plate 57 N Convex portion of the Cylinder Ass y 42 Fig 46 151 3 Disassembly and reassembly of Chamber 24 and the related parts Fig 47 Tools required e Hex bar wrench 3 mm 0 118 e Phillips screwdriver a Disassembly e Remove the Hex Socket Hd Bolt M4 x 16 21 Then the Chamber Head 22 Gasket A 23 and Chamber 24 can be removed Remove the Machine Screw 4 x 6 33 Then the Chamber Lock Plate 32 can be removed Hex Socket Hd Bolt M4 x 16 21 Chamber Head 22 Chamber Lock Plate 32 Gasket A 23 Machine screw MA x 6 33 Chamber 24 Fig 47 52 b Reassembly e Fit Gasket A 23 in the groove of the Chamber Head 22 and mount it to the Chamber 24 Do not protrude Gasket A 23 from the groove Be careful of the mounting direction of Gasket A 23 Fig 48 After mounting the Cylinder Ass y 42 to the Housing 71 mount the Switch Plate 34 to the Chamber 24 Note tha
3. While there are no specific safety regulations there are related items in various general safety regulations with which the salespersons should be familiar in order to properly advise the customer Please check your national and or local regulations for applicable items Some applicable items are outlined below The U S A OSHA 1926 102 Eye and face protection 1926 302 Power operated hand tools ANSI SNT 101 2002 Portable Compressed Air Actuated Fastener Driving Tools Safety Requirements for The Europe EN 712 13 2000 Hand held non electric power tools EN 50260 1 2002 oafety of hand held battery powered motor operated tools and battery packs lt Certificate No Fl 21611 by SGS Fimko Ltd Finland gt 75 324 1975 Aerosol Dispensers At 50 the pressure in the aerosol dispenser must not exceed 12 bars 8 bars 35 C Cautions in handling the fuel cell First Aid If contents inhaled move to area with fresh air Contact a doctor if symptoms persist If contents come in contact with skin wash the affected area with soap and warm water then apply skin cream If contents come in contact with eyes flush open eyes with water Contact a doctor if irritation continues How to discharge gases from the canister 1 Separate the metering valve from the canister 2 Push the extended stem vertically to discharge remaining fuel gas 3 After the remaining fuel gas has been discharged to discharge remaining pr
4. ig Nut 4 18 SN Washer 4 19 Er Fan 20 n Washer 4 19 Nut M4 18 Fig 26 96522 b Reassembly Disassembly procedures should be followed in the reverse order Note the following points e Apply designated oil Code No 885 546 Code No 885 246 to the O ring 15 and the Mount Sleeve 9 e Mount the Mount Sleeve 9 with the uneven surface faced outward Align the end of the Motor Spring 12 with the center of the Motor Mount 8 and rotate it as shown in Fig 27 Set the Cylinder Head 14 and the Motor Mount 8 as shown in Fig 28 and secure with the Hex Socket Set Screw MA x 5 31 At this time lightly press the Motor Mount 8 in A direction to prevent the Motor Mount 8 from floating Setting position Position after rotation Motor Mount 8 Motor Mount 8 Motor Spring 12 Motor Spring 12 Fig 27 Motor Mount 8 Do not widen the clearance between the ribs when aligning Cylinder Head 14 Fig 28 ec 2 Disassembly and reassembly the Top Cover 3 and the related parts Tools required e Roll pin puller 2 0 mm 0 078 dia a Disassembly See Fig 29 e Remove the Filter Cover 5 and the Filter 4 e Remove the Shaft Ring 26 Then remove the Shaft 27 Washer M5 2 Cell Lever 105 Cell Rubber 110 and Cell Cover 109 e Remove the Roll Pin D2 x 8 107 Then remove the Latch 106 and the Spring D3 6 108 e Remove
5. 114 Remove the Tapping Screw W Flange D4 x 14 Black 95 to remove the Magazine Plate 94 e Remove the Prism 96 e Remove the Flat Hd Tapping Screw D4 104 to remove the Wiring Cover 103 e Remove the Switch Arm 82 and the Lock Bar Spring 102 e Remove Tapping Screw W Flange D4 x 14 Black 95 to remove the Controller 101 and Internal Wire A 86 Disconnect the connector of the Controller 101 and Internal Wire A 86 Remove the Roll Pin D2 5 x 10 99 with a roll pin puller to remove the Trigger 98 e Remove the Switch Mount 81 from Internal Wire A 86 e the Nylon Nut M5 92 and the Hex Socket Hd Bolt M5 x 15 76 e Remove the Sleeve 77 and the hook ass Socket Bolt M5 15 76 Sleeve 77 j Handle B 84 eL 7 V Internal Wire A 86 Hook ass y Nylon Nut 5 92 Prism 96 N Nail Rail 93 Trigger Spring 97 98 gt ER D4 x 14 Roll Pin Controller Black Switch Mount 81 Tapping Screw W Flange N N D2 5 x 10 99 Switch Arm 82 99 101 95 4 x 14 Black EN 95 M Chamber Lock Bar 100 Magazine Plate 94 Spring 129 3 N E Rey gt NS Lock Bar Spring Flat Hd Tapping Screw Pin D2 5 102 D4 104 115 Wiring Cover 103 Spring D2 95 117 Switch Lever B 114 Tension Plate 113 Fig 54 2 62 b Reasse
6. 2 actioned nail feeding 5 SPECIFICATIONS 5 1 Specifications 1 Gas nailer Model NR 90GC Driving system Reciprocating piston type Weight 3 5 kg 7 7 lbs Dimensions 347 mm x 353 mm x 108 mm Length x Height x Width 13 21 32 x 13 29 32 x 4 1 4 Nail feed system Spiral spring Nail capacity 37 nails 1 strip Package dimensions 500 mm x 460 mm x 150 mm Length x Height x Width 19 11 16 x 18 5 32 x 5 29 32 Standard accessories For North America For Europe oafety glasses Code No 875769 oafety glasses Code No 885549 Battery Code No 324147 Battery Code No 324148 Charger UC 7SD Charger UC 7SD Case Code No 885360 Case Code No 885360 Allen wrench for M5 screw Allen wrench for M5 screw Code No 944458 Code No 944458 Optional accessories For North America For Europe Lubricant oiler A Code No 885546 Lubricant oiler A Code No 885246 Fuel cell Code No 728980 Fuel cell Code No 753600 Grease Code No 317918 Grease Code No 317918 5 2 Explanation of the Nailing Action To meet the requirements of ANSI SNT 101 2002 USA the Model NR 90GC is equipped with FULL SEQUENTIAL ACTUATION MECHANISM O FULL SEQUENTIAL ACTUATION MECHANISM First press the pushing lever against the wood next pull the trigger to drive the nail After nailing once nailing will not be possible again until the trigger is released and pressed again 5 3 Nail Selection The Mode
7. 120 can be removed ubi 93 Handle A 124 Lever Stopper 116 X feeder assy N Ribbon Spring 121 Tapping Screw W Flange D5 x 20 Black 126 lt lt ide Side Plate 55 Feeder Knob 125 Pushing Lever Stopper 123 Spring D8 122 Fig 51 Nail Feeder A 112 Nail Feeder B 120 Spring 119 Roll Pin D4 x 28 118 Fig 52 58 Handle 124 Spring hooking portion Ribbon Spring 121 N Do not tilt or pinch the Spring D8 122 Nail feeder ass y Pushing Lever Stopper 123 oide Plate 55 59 b Reassembly Perform reassembly according to the following procedure e Mount Nail Feeder A 112 and the Spring 119 to Nail Feeder B 120 and drive the Roll Pin D4 x 28 118 in B direction as shown in Fig 52 to secure it Do not protrude the end of the Roll Pin D4 x 28 118 from Nail Feeder B 120 e See Fig 53 1 Fit the Spring D8 122 in Handle A 124 2 Set the Pushing Lever Stopper 123 on the Spring D8 122 Do not tilt the Spring D8 122 or insert the Pushing Lever Stopper 123 into the Spring D8 122 Check that the Pushing Lever Stopper 123 moves smoothly Keep holding the Pushing Lever Stopper 123 with fingers until the Side Plate 55 is mounted because the Pushing Lever Stopper 123 is apt to be removed Set the Ribbon Spring 121 to Hand
8. LEVER STOPPER SPRING D2 95 949 506 ROLL PIN DAX28 10 PCS 883 687 SPRING 885 324 NAIL FEEDER B 885 325 885 328 RIBBON SPRING SPRING D8 885 327 PUSHING LEVER STOPPER 885 321 HANDLE A 885 322 FEEDER KNOB 302 089 880 003 TAPPING SCREW W FLANGE D5X20 BLACK HEX SOCKET HD BOLT M4X18 885 354 MAGAZINE GUARD 885 518 SPRING LABEL A 949 453 SPRING WASHER 4 10 CHARGER MODEL 7SD 875 769 SAFETY GLASSES 885 360 CASE 944 458 HEX BAR WRENCH 4MM 885 246 LUBRICANT OILER 885 546 LUBRICANT OILER FOR USA CAN 317 918 GREASE ATTOLUB NO 2 500G ALTERNATIVE PARTS Printed in Japan 9 05 050930N Hitachi Koki Co Ltd Tokyo Japan
9. MODEL 90GC Hitachi Power Tools TECHNICAL DATA GAS STRIP NAILER 90 SERVICE MANUAL LIST No E025 Sept 2005 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT REMARK Throughout this TECHNICAL DATA AND SERVICE MANUAL a symbol is used in the place ofcompany name and model name of our competitor The symbol utilized here is as follows Competitors Symbols Utilized Company Name Model Name I o 10 DISASSEMBLY AND REASSEMBLY 10 1 General Precautions in Disassembly and Reassembly 11 INSPECTION AND CONFIRMATION AFTER REASSEMBLY 12 STANDARD REPAIR TIME UNIT SCHEDULES M PRODUCT NAME CONTENTS sMARKE ING OBJECTIVE rice APPLICATIONS e E E E E EEE POINTS EE E a aa SPECIFICATIONS sorin 9 1 SDECIHEANONS ee Pm a 5 2 Explanation of the Nailing Action an an anne ae ee ee FOLGE eines COMPARISONS WITH SIMILAR PRODUCTS nnn PRECAUTIONS IN SALES PROMOTION nnmnnn 7 1 Handling Instructions 7 2 Warning Label 7 3 Related Laws Regulations pp MECHANISM AND OPERATION PRINCIPLE ec 8 1 Mechanism 8 2 Principle of Op
10. areas O ring 1 0 66 27 36 Mount Sleeve 9 oil entirely Apply oil entirely Cylinder Head 14 oil to the diagonally shaded areas e Outside O ring groove Cylinder Ass y 42 Apply oil to the diagonally shaded areas Inside e Outside O ring groove O ring 1 0 59 92 15 Apply oil entirely Piston Ring 38 Apply oil entirely Chamber ass y Apply oil to the diagonally shaded areas e Inside O ring sliding portions 2 places Piston 39 Apply oil to the diagonally shaded areas Outside Piston ring groove Fig 21 29 O o Roy om 5 A Grease application areas N gt er Plunger of the fan switch Fig 22 s 10 2 Disconnection and Reconnection of Wiring between Cylinder Head Section and Handle Section The Model NR 90GC is comprised of three sections cylinder head section housing section and handle section The wiring between the cylinder head section and the handle section must be disconnected before disassembly and reassembly of each section Refer to 10 3 10 4 and 10 5 for disassembly and reassembly of each section Spark plug cable One thick red cable Cylinder head section a Hanging mechanism TT y Wiring connected to Handie section the motor Connector Housi
11. e Cool the main body and the fuel cell e Replace the fuel cell with new one e Warm up the fuel cell Instruct the customers necessary measures such as putting the fuel cell in a pocket or wrapping the fuel cell in a thermal insulating material Fuel 1 The oxygen content of the air A large amount of fuel is sprayed but is low in a place such as sprayed no Use the nailer in a place where the altitude is under 1500 meters combustion highlands at an altitude of occurs 1500 meters or more lt Excessively high concentration of gas gt rt 9 2 Troubleshooting and Correction 1 Troubleshooting and correction in the case of gas nailers The mechanism of a gas nailer to produce output is completely different from that of a pneumatic nailer Following table shows the troubleshooting and correction procedures inherent in gas nailers Problem Possible cause No combustion OCCUIS Combustion section e The Piston 39 is lowered e The outside air temperature and the altitude are out of the specifications e No fuel is fed e The Pushing Lever 64 cannot be pushed up Electric section e he battery indicator light does not light e he Motor 6 does not rotate e Check the position of the Piston 39 Check the outside air temperature and the altitude Check that the fuel cell is set properly e Short of fuel in the fuel cell The metering valve is not set prop
12. 39 up Fig 35 e Remove the two Piston Rings 38 from the Piston 39 being careful not to deform them Screw bolt having 20 mm or more threaded portion for example Hex Socket Hd Bolt M5 x 20 13 in the hole beside the outlet of the cylinder or insert a roll pin puller in the hole and tap it lightly with a hammer to remove the Piston Bumper 40 Fig 36 Cylinder Ass y 42 Piston Bumper 40 Bolt having 20 mm or more threaded portion Roll pin puller Fig 36 44 2 Reassembly Reassembly procedures should be followed in the reverse order Note the following points e Drop the Piston Bumper 40 in the Cylinder Ass y 42 facing its stepped side inward and push it in until it passes through the stopper portion by means of the handle of a hammer You feel a click when the Piston Bumper 40 passes through the stopper portion Fig 37 e Apply designated oil to the inside of the Cylinder Ass y 42 and the O ring groove on the outside of the Cylinder Ass y 42 according to 10 1 e Mount the two Piston Rings 38 to the Piston 39 being careful not to deform them Be careful of the following when mounting the Piston 39 to the Cylinder Ass y 42 1 Position each split of the two Piston Rings 38 at an angle of 90 degrees with respect to the exhaust port aligning these two splits in 180 degree opposite positions Fig 38 2 If the Piston Ring 38 fits in the retaining ring groove inside the
13. 7 7 lbs 3 4 kg 7 5 Ibs Dimensions 347 mm x 353 mm x 108 mm 310 mm x 343 mm x 110 mm Lx H x W 12 21 32 x 13 29 32 x 4 1 4 12 3 16 x 13 1 2 x 4 11 32 Nail capacity 37 nails 1 strip 3 nails 1 strip Magazine type Rear loading Rear loading Driving depth adjusting mechanism With wrench Tool not required Handle grip Rubber Rubber Single action Single action Provided Provided 2 actioned nail feeding 2 actioned nail feeding Driving method Hook Feeder Battery voltage lt N 5 lt Charge Applicable nails 3 0 mm 3 3 mm 0 120 0 131 2 9 mm 3 3 mm 0 113 0 131 Clip head Length 50 mm 90 mm 2 3 1 2 50 mm 90 mm 2 3 1 2 Fuel cell dimension 31 5 mm dia x 167 31 5 mm dia x 167 Fuel cell life 1200 nails 1200 nails USA Canada 1000 nails Europe HmcH P J USA lt compatible with Paslode Fuel cell gt _ Can size Dia mm Heighhtimn 15 2 Contents 4og 40g 30 g Fuel Cell Life nails cell 1300 1200 1000 degree C Max temperature for storage degree C Part No for USA 728 980 2 cells EU 753 600 1 cell 1 2 Because of gas restriction for aerosol standard 7 PRECAUTIONS IN SALES PROMOTION In the interest of promoting the safest and most efficient use of the Model NR 90GC Nailer by all of our customers itis very important that at the time of sale
14. Operation 1 Before nailing Fuel is not charged into the in the initial state The combustion chamber is released to the atmosphere Fig 4 2 When nailing 1 Push up the Pushing Lever 64 Then the nailer starts operation in the following order Fig 5 D The Switch Plate 34 on the Chamber 24 pushes the Switch Arm 82 to turn on the fan switch The Fan 20 in the combustion chamber rotates 2 The Chamber Head 22 is sealed by the O ring 15 and the Chamber 24 surface is sealed by the O ring 36 simultaneously Thus the combustion chamber is cut off from the atmosphere 3 The convex portion of the Chamber 24 pushes up the Tension Plate 113 on Switch Lever B 114 to rotate Switch Lever B 114 4 The protrusion of the Chamber Head 22 pushes up the tip of the Cell Lever 105 to rotate it Thus the Cell Lever 105 pushes the back of the fuel cell to spray fuel into the combustion chamber Ai Sr m Combustion chamber Fan 20 Chamber 24 Cylinder Ass y 42 Fig 4 Protrusion of Chamber Head 22 Cell Lever 105 Fan 20 ERI Combustion S chamber O ring 36 Chamber 24 Switch Lever 114 Fan Switch Switch Arm 82 Pushing Lever 64 Fig 5 AD 2 When the Trigger 98 is depressed the switch in the Trigger 98 contacts the end of Switch Lever B 114 and turns on Then the spa
15. SWITCH PLATE 36 885 283 O RING 1 0 66 27 37 885 285 RETAINING RING 38 885 286 PISTON RING 39 885 291 PISTON 40 885 289 PISTON BUMPER 41 885 284 CHAMBER STOP RUBBER 42 885 361 CYLINDER ASS Y 43 949 812 HEX SOCKET HD BOLT M4X10 10 PCS 44 885 287 COVER 45 885 290 LEAD VALVE 46 949 2314 MACHINE SCREW M4X6 10 PCS 50 885 288 MUFFLER 51 949 897 HEX SOCKET HD BOLT M5X50 10 PCS 885 269 SLEEVE 885 355 BLADE GUIDE 885 270 PLATE SLEEVE 885 326 SIDE PLATE 945 255 U NUT 5 57 885299 CYLINDERPLATE 1 m ALTERNATIVE PARTS PARTS T coveno mm _ 980 046 90GC SEAL LOCK SOCKET HD BOLT M5X10 956 329 U NUT 4 885 302 PUSHING LEVER 949 812 SOCKET BOLT M4X10 10 58 59 60 61 62 63 885 303 885 305 PUSHING LEVER ARM B PUSHING LEVER SPRING 885 271 PUSHING LEVER 885 273 PUSHING STOPPER 949 819 HEX SOCKET HD BOLT M5X10 10 PCS 885 272 885 301 ADJUSTER BUSH PUSHING LEVER CONNECTOR NAME PLATE 885 304 SCREW M5 885 298 HOUSING 885 307 INSULATOR SHEET HITACHI LABEL 885 362 HOUSING ASS Y 876 465 NYLON NUT 4 949 820 HEX SOCKET HD BOLT M5X15 10 PCS 878 164 305 812 SLEEVE TAPPING SCREW W FLANGE D4X16 BLACK WARNING LABEL 301 815
16. changes within the operating range from 5 7 kg cm 81 5 psi to 6 1 kg cm 87 2 psi as a result of conversion to the air pressure of the pneumatic nailer Model 90AD Choose suitable nails and workpieces according to the output energy of the nailer Required nailing energy Nailer output energy ftib J Mid kgFem J i od 180 180 i i i 2 if i NR 90AD FL 120 120 160 1600 1600 v i DA i if 1 i P E 14 d i 1400 1400 100 100 i 83AA3 i BEEN p 25 i 1 1 1200 i 1200 i Ww i 1000 1000 190 21 S A d ff i i X 4 1 dd TE EE 1 E i di i i Zur i 200 300 400mm 4 5 6 7 8 8 3bar BER 4 5 93 10 4 0 5 0 80 er 5 8 7 B 8 5 kgtem dx mrrommm 60 70 80 90 10 110 120 s Air pressure setting to drive flush with NRSOAD 3 e L He E e N x 0 Fig 2 Required nailing energy nailer output energy 6 COMPARISONS WITH SIMILAR PRODUCTS Maker HITACHI Model NR 90GC Weight tool battery fuel cell 3 5 kg
17. cylinder insert a small flat blade screwdriver into the concave portion 7 places at the end of the cylinder and lightly push the Piston 39 in fitting the Piston Ring 38 in the groove of the Piston 39 Do not push the Piston 39 in forcealy Otherwise the Piston Ring 38 may be damaged Fig 39 3 Check that the tip of the driver blade is shown in the outlet The Piston 39 cannot be mounted if the tip of the driver blade contacts the Piston Bumper 40 or the bottom of the cylinder 4 Face the chamfered side of the tip of the driver blade in the direction opposite to the exhaust port of the Cylinder Ass y 42 Fig 39 Handle of a hammer Cylinder Ass y 42 Stopper portion Piston Bumper 40 45 Split of the Piston Ring 38 Cylinder Ass y 42 Exhausting direction Split of the Piston Ring 38 Small flat blade screwdriver Push lightly Piston 39 Piston Ring 38 Piston 39 Exhausting direction Chamfered side of the driver blade Fig 39 46 When mounting the Retaining Ring 37 to the Cylinder Assy 42 fit the Retaining Ring 37 in the groove securely facing the split to the no concave portion of the cylinder Face the sagged side of the Retaining Ring 37 to the Piston 39 Figs 40 and 41 Retaining Ring 37 Cylinder Ass y 42 Exhausting direcion Concave portion 7 places Face the split of the Retaining Ring 37 to the no con
18. following points e Mount the Plate Sleeve 54 facing the stepped portion to the handle so that the stepped portion fits in the concave portion of the Side Plate 55 Fig 31 Check that each lever protruded from the handle section fits in each hole on the side of the handle of the housing section Fig 32 9 Align the Pushing Lever 64 with Adjuster Bush S 67 fitting the convex portions in the concave portions before tightening the Hex Socket Hd Bolt M5 x 10 66 e f the U Nut M5 56 turns together when tightening the Hex Socket Hd Bolt 5 x 20 13 insert a small flat blade screwdriver between the handle and the U Nut M5 56 to stop turning of the U Nut M5 56 otepped portion Concave portion Plate Sleeve 54 Slide Plate 55 Fig 31 section Housing section EN Convex portion of Handle A 124 LIT ii Convex portion of Handle B 84 Switch Lever 114 1 Chamber Lock Bar 100 Switch Arm 82 2 Disassembly and reassembly of the housing section Fig 33 Tools required e Hex bar wrench 3 mm 0 118 4 mm 0 157 e Spaner 7 mm 0 276 or slender hd pliers e Roll pin puller 3 mm 0 118 e Phillips screwdriver Retaining ring puller for C type hole Small flat blade screwdriver a Disassembly Remove the Seal Lock Hex Socket Hd Bolt M5 x 10 58 to remove the Cylinder plate 57 Remove the Machine Screw M4 x 6 33 to
19. is turned on and nails Fig 9 are driven by depressing the Trigger 98 O When pressing the Pushing Lever 64 after depressing the Trigger 98 Mar Lever B When depressing the Trigger 98 the Lever Stopper 116 is deformed by the Trigger 98 and the end of the Lever Stopper 116 is positioned toward Switch Lever B 114 Lever Stopper 116 Trigger 98 Fig 11 Then the convex portion of the Chamber 24 pushes up the Tension Plate 113 when the Fig 10 A A Pushing Lever 64 is pressed However the Lever otopper 116 prevents Switch Lever B 114 from Switch Lever B rotating Thus the switch of the Trigger 98 is not 11141 turned Trigger 98 Lever Stopper 116 Fig 11 15 9 TROUBLESHOOTING GUIDE 9 1 Problems Caused by Improper Handling Following table shows the problems that apt to occur These problems are not caused by abnormality of the nailer but improper handling Please instruct the customers to use the nailer properly according to the table The Trigger 98 is e No combustion occurs The Piston 39 is e Return the Piston 39 to the depressed insufficiently No nail is driven lowered uppermost position with a flat blade screwdriver Keep depressing the Trigger 98 securely about 0 5 second after combustion The Pushing Lever 64 is No combustion occurs The spark switch is e Press the Pushing Lever 64 pressed while depressing not turned
20. may be heard in properly some rare cases but there is no problem in operation 2 Troubleshooting correction in the case of general purpose nailers Nails cannot be driven lt Nails gt Magazine is not loaded with specified genuine nails e Magazine is loaded with abnormal nails bent nails large or small round head nails abnormal collation etc e Nail or collating band clogs e Collating band is deformed or torn Magazine Magazine is abnormal deformed or damaged e Nail Feeder A 112 is abnormal deformed or damaged e Ribbon Spring 121 is abnormal deformed or damaged Nail Rail 93 is abnormal deformed burrs damaged or fatigued Adhesive fragments are on the nail rail or they need oil e Foreign matter is found on the guide face of Nail Feeder A 112 lt Nose gt e Nail inlet groove of the nose is abnormal deformed burrs or damaged e Adhesive fragments are in the nail inlet groove e Check if the magazine is normally loaded with specified nails e Check if the nail feeder operates smoothly in the magazine e Check if nails one strip move smoothly in the magazine e Check if nails one strip are fed smoothly into the nail injection port of the nose e Use specified nails e Remove the abnormal nails and load the magazine with normal nails e Repair or replace the defective part e Remove the adh
21. on without depressing the Trigger the Trigger 98 slightly 98 then depress the Trigger 98 The Battery 111 is not The nailer does not e No electricity is sent Set the Battery 111 properly set or set improperly start to the nailer The nailer is used while The output is The number of e Charge the Battery 111 the battery indicator light decreased revolutions of the is red Fig 12 Fan 20 is low The nailer is used with the e The output is Discharging and e Clean the Filter 4 Fig 13 Filter 4 clogged decreased cooling are insufficient e The nailer produces heat The fuel cell is not set or No combustion occurs No fuel is fed e Set the fuel cell properly The metering valve of the No combustion occurs No fuel is fed e Set the metering valve of the fuel cell is set improperly ne fuel cell properly Fig 15 The Pushing Lever 64 is No combustion occurs No fuel is fed Press the Pushing Lever 64 pressed insufficiently The switch of the Fan securely 20 is not turned on The fuel cell is short of No combustion occurs No fuel is fed e Use a new fuel cell fuel Top Cover 3 Ms Filter 4 Indicator light Clean the Filter 4 with air gun Fig 12 Filter Cover 5 eda Insert the stem of fuel cell into the hole of adapter Checking the fuel cell To attach the metering valve to a fuel cell
22. rotating e Check that the Pushing Lever 64 operates smoothly e Check that the piston returns to the top dead center by driving a nail actually do not drive nails continuously to prevent idle driving e Press the Pushing Lever 64 against a workpiece and depress the Trigger 98 partway to hold the Chamber 24 at the top dead center Then release the Pushing Lever 64 and depress the Trigger 98 fully to check that no nail is driven e Check that no nail is driven when pressing the Pushing Lever 64 against a workpiece with the Trigger 98 depressed 4 Perform the following after the above checking e Check that the main body is not loaded with the battery fuel cell and nails e Recheck the tightening torque of each screw e Set the Pushing Lever 64 to the uppermost position nails are driven to the deepest position 69 12 STANDARD REPAIR TIME UNIT SCHEDULES Variable MODEL 10 20 30 40 50 70 min Work Flow NR 90GC Cylinder Head Motor Motor Mount Motor Spring Spark Plug 9 i JAR Piston Ring x 2 O ring Piston Bumper General Assembly Top Cover Chamber Head Blade Guide Cylinder Filter Gasket A Side Plate Filter Cover Chamber Cylinder Plate Pushing Lever Housing Ass y Arm A Pushing Lever Arm B Pushing Lever Spring Pushing Lever Pushing Stopper Trigger Handle B Trigger Spring Handle A Switch Lever B Controller Lead Wire A Prism Maga
23. the Adapter 30 A Cre Hex Socket Hd Shaft Ring 26 5 14 1 Washer 5 2 Washer 5 2 Shaft 27 Latch 106 Roll Pin D2 8 107 Spring D3 6 108 Adapter 30 Cell Cover 109 Cell Lever 105 Cylinder Head 14 Fig 29 b Reassembly Disassembly procedures should be followed in the reverse order Note the following points e Push the Adapter 30 in until it contacts the Cylinder Head 14 38 10 4 Disassembly and Reassembly of Housing Section 1 Disassembly and reassembly of housing section handle section and pushing lever Fig 30 Tools required e Hex bar wrench 4 mm a Disassembly e Remove the cylinder head section from the main body according to 10 2 and 10 3 Remove the Hex Socket Hd Bolt M5 x 50 51 and pull out the Nose Sleeve 52 Then the output section and the Plate Sleeve 54 can be removed from the main body Remove the Hex Socket Hd Bolt M5 x 10 66 Then the Pushing Lever 64 Pushing Stopper 65 Adjuster Bush 5 67 Blade Guide 53 and U Nut M5 56 can be removed Handle section Housing section U Nut M5 56 Nose Sleeve 52 Plate Sleeve 54 Hex Socket Hd Bolt M5 x 50 51 Blade Guide 53 Adjuster Bush S 67 Pushing Lever 64 Hex Socket Hd Bolt 5 10 66 Fig 30 39 b Reassembly Reassembly procedures should be followed in the reverse order Note the
24. with the core of the cylinder head section and tighten the Hex Socket Hd Bolts M5 x 20 13 while pushing up the Pushing Lever 64 to prevent the O ring 15 from being pinched e Perform wiring as shown in Fig 25 Perform wiring so that no wire is placed on this area 10 3 Disassembly and Reassembly of Cylinder Head Section 1 Disassembly and reassembly of the Cylinder Head 14 Motor 6 and the related parts Tools required e Hex bar wrench 3 mm e Phillips screwdriver e Spanner 7 mm 0 276 x 2 pcs e Roll pin puller 2 5 mm 0 098 dia Socket wrench 8 mm 0 314 a Disassembly See Fig 26 e Remove the O ring 15 e Remove the Nut M4 18 and the Washer M4 19 to remove the Fan 20 e Remove the Hex Socket Set Screw MA x 5 31 with a hex bar wrench Then remove the Machine Screw M4 x 6 28 to remove the Motor Mount 8 Motor Sleeve 9 Shaft Washer 10 and Motor Spring 12 e Remove the Roll Pin D2 5 x 25 7 with a roll pin puller Then remove the Motor 6 and the Rubber Washer 29 e Remove Spark Plug A 11 with a socket wrench CAUTION Do not deform the Fan 20 34 Machine Screw 4 6 28 6 Roll Pin 02 5 25 7 lt Rubber Washer 29 SEE Motor Mount 8 m Mount Sleeve 9 Shaft Washer 10 Spark Plug A A Motor Spring 12 Cylinder Head 14 Socket Set Screw M4 5 31 O ring 1 0 59 92 15
25. 1 Separate the metering valve and the cap from the gas cartridge 2 Press forward stem side and downward on the front side of the metering valve 3 Press downward on the rear of the metering valve until it seals Fig 15 Fuel is not sprayed e Fuel is leaked e There is no fuel e The bag in the fuel cell is damaged Fuel is sprayed but no combustion occurs Insufficient sealing of the cup and the stem in the metering valve e The nailer is left under a high temperature condition The nailer is left in direct sunlight or nails are driven continuously lt Excessively high concentration of gas gt e The nailer is left under a low temperature condition 0 C or lower temperature lt Low concentration of gas gt The metering valve is not set properly e Press the stem five times or more with the fuel cell held upright to check whether fuel is sprayed or not e Fuel is not sprayed when holding the fuel cell upright but sprayed when holding the fuel cell horizontally Check whether fuel is leaked or not by keeping the stem pressed e The main body is hot due to the combustion heat e The sprayed fuel is ina liquid state 47 e Set the metering valve properly the metering valve may be secured by rotating it e Replace the metering valve with new one e Replace the fuel cell with new one e Replace the fuel cell with new one e Replace the metering valve with new one
26. 111 properly Replace the Battery 111 e Charge the Battery 111 e Connect properly Fig 16 e Connect properly Fig 17 e Replace Internal Wire A 86 Replace Internal Wire 86 Replace the Switch Arm 82 Replace the Switch Arm 82 e Replace the Motor 6 Controller connector Fig 16 Motor wire connector Spark plug cable 20 Continued No combustion Electric section gt Continued occurs No spark occurs Check for Sparking according to 9 3 Checking for Sparking and Corrective Action e The Battery 111 is not set e Set the Battery 111 properly properly The Battery 111 is faulty e Replace the Battery 111 The battery indicator light e Charge the Battery 111 lights red e Connect properly Fig 16 e Connection failure between Connect properly Fig 17 Internal Wire 86 and the Replace the Controller Controller 101 101 The spark plug cable is e Replace Internal Wire A disconnected from spark plug 86 A Replace Internal Wire A Faulty insulation of the spark 86 plug cable wire e Clean spark plug A Break in Internal Wire Fig 18 86 Position the wire correctly e he spark switch is faulty Fig 16 Spark Plug 11 is stained e Replace Switch Lever The wire near the Trigger 98 114 is pinched e Switch Lever B 114 is deformed No
27. 39 Roll Pin D3 x 32 25 1 Piston 40 Cylinder Ass y 42 amp 7 Chamber Stop Rubber 41 Muffler 50 achine Screw N 4 6 46 1 Lead 45 SS Ep Buffer Cover 44 BR xs Cylinder Plate 57 Socket Hd Seal Lock Hex Socket Hd Bolt M4 x 10 43 y a Bolt M5 x 10 58 U Nut M4 59 Hex Socket Hd Bolt M4 x 10 61 a Spring Washer M4 131 Pushing Lever Arm 62 Pushing Lever Arm A 60 Spring Washer 4 131 Pushing Lever Spring 63 Hex Socket Hd Bolt 4 x 10 61 Pushing Lever Connector 68 Housing Assy 74 42 1 Keep pressing the side of the housing 2 Push the tip of the cylinder d Output section Fig 34 Piston 39 Cylinder Assy 42 Small flat blade screwdriver Piston Ring 38 Piston 39 Push in Fig 35 432 Remove the Retaining Ring 37 with the retaining ring puller for C type hole Insert a finger into the outlet of the Cylinder Ass y 42 and push the tip of the Piston 39 straight up Then the Piston 39 can be removed from the Cylinder Ass y 42 If the Piston Ring 38 fits in the retaining ring groove inside the cylinder insert small flat blade screwdriver into the concave portion of the cylinder and fit the Piston Ring 38 in the piston ring groove of the Piston 39 Then the Piston Ring 38 can be removed by pushing the Piston
28. 4 Tension Plate 113 Flat Screw 04 104 Chamber Lock Bar 100 Magazine Plate 94 Tapping Screw W Flante D4 x 14 95 Hook ass y Nylon Nut M5 92 Sleeve 77 Hang the Magazine Plate 94 on the claw Fig 57 3 Disassembly and reassembly of hook and the related parts Fig 60 Tools required e Roll pin puller 4 mm 0 157 Flat blade screwdriver a Disassembly Remove the Roll Pin x 14 87 Then the Hook 88 Washer 89 and Spring D12 90 can be removed from the Bracket 91 Roll Pin D3 x 14 87 Hook 88 Washer B 89 ee SN Spring D12 90 SS Bracket 91 Fig 60 Reassembly Mount the Hook 88 Washer B 89 and Spring D12 90 to the Bracket 91 Drive the Roll Pin D3 x 14 87 into the Hook 88 in the direction as shown in Fig 60 It becomes easy to reassemble if the clearance between the Bracket 91 and Washer 89 is widened with a flat blade screwdriver beforehand Note that the cross groove of the Bracket 91 must be aligned with the Hook 88 properly Perform reassembly in the proper direction as shown in Fig 61 After reassembly rotate the Hook 88 and check that the Roll Pin D3 x 14 87 does not protrude from the Bracket 91 Fig 62 x07 Split of the Roll Pin D3 x 14 87 QH Fig 61 not protrude the Roll Pin x 14 87 from the Bracket 91
29. DANGER Lisez les consignes de s curit avant utilisation Portez toujours des lunettes de protection Utiliser exclusivement en ext rieur ou dans des pi ces bien a r es Tenir l cart des sources d ignition E A PELIGRO Lea las instrucciones de Seguridad antes de utilizario Lieve siempre protector ocular Util celo s lo en el exterior en habitaciones bien ventiladas Mant ngase alejado de fuentes de ignici n For HITACHI NR 90mm Gas Strip Nader LE Miri dxi Nade Pomtes ag Reed and weierstand ool labels and mammi Falure vcarrings Could ranti n DEATH or SERIOUS NARY ERE UR INS NEMO PSI dat ado E zen A Tokyo Japan D eLessen Sie dem eut izzare petita 5s in ambienti ben ventilati Tenere lontano da aii pnt XML e Lees voor gebruik de edigheidsvoorscivilten Draag Mine gebruik Ye qheidsb Uilsk tend ensiuds of n goed rumien gebruken Ut d je van ontstekingsbronnen houden DK Les skkerhedsyegedningen ar brug rug ailid ejenv ern Ma kun anvendes udenders eder cum med god udiutining Skai hoides borte Ira anlendelsesk der M Les gjennom sikkerhelsinsiruksene ler ruk Gruk altii vernebrilec N kun brukes ulenders eder godt veniilerte rom Hold beholderen unna steder med are lor ani
30. TAPPING SCREW W FLANGE D4X45 885 334 SWITCH MOUNT 885 347 302 086 SWITCH ARM TAPPING SCREW W FLANGE D4X20 BLACK 885 330 HANDLE B CAUTION PLATE 885 332 INTERNAL WIRE A 949 900 885 343 ROLL PIN D3X14 10 PCS HOOK 956 161 WASHER B 885 345 SPRING D12 885 344 BRACKET 877 371 885 341 NYLON NUT M5 NAIL RAIL 885 342 MAGAZINE PLATE 309 933 SCREW W FLANGE D4X14 BLACK 885 338 PRISM 73 74 75 76 77 78 79 80 81 82 83 84 85 86 885 336 885 335 TRIGGER SPRING TRIGGER 949 551 ROLL PIN D2 5X10 10 PCS 885 340 CHAMBER LOCK BAR 885 331 CONTROLLER 885 595 885 337 CONTROLLER LOCK BAR SPRING FOR USA 885 339 WIRING COVER 885 346 FLAT TAPPING SCREW D4 885 276 CELL LEVER 9 05 885 280 107 949 859 ROLL D2X8 10 PCS BEN LATCH ALTERNATIVE PARTS 3 PARTS NR 90GC 885 281 SPRING 03 6 885 352 CELL 885 279 CELL RUBBER 324 148 714 W ENGLISH 324 147 885 323 EB 714 W ENGLISH FOR USA 885 351 TENSION PLATE 885 348 SWITCH LEVER B 885 349 PIN D2 5 885 329 885 350
31. The Chamber 24 is improperly sealed Check the O rings 15 and 36 and the moving amount of the Pushing Lever 64 4 The Piston 39 is not in the uppermost position gt Check the position of the Piston 39 5 No sparking occurs It is most difficult to check the cause of the above 5 No sparking occurs How to determine the cause of no sparking is explained below Disassemble the nailer according to 10 DISASSEMBLY AND REASSEMBLY Remove the fuel cell then set nails and the battery 1 Remove the Hex Socket Hd Bolt M5 x 14 1 and open the Top Cover 3 2 Remove the Hex Socket Hd Bolt M5 x 20 13 and remove the Cylinder Head 14 from the Housing 71 3 Put the Fan 20 on the Cylinder Head 14 and check that the Fan 20 does not contact the surrounding components 4 Push up the Pushing Lever 64 to rotate the Motor 6 5 Depress the Trigger 98 gt If sparking does not occur from the spark plug Fig 19 as a result of the above operation perform checking and take corrective actions as follows Disassemble and reassemble the nailer according to 10 DISASSEMBLY AND REASSEMBLY 1 Check for stain of Spark Plug 11 gt Clean Spark Plug A 11 2 Faulty insulation of the spark plug cable sparking occurs from the spark plug cable gt Disconnect the spark plug cable from Spark Plug A 11 and check the spark plug cable If the spark plug cable is abnormal discharged from the cab
32. cave portion of the Cylinder Ass y 42 Fig 40 Retaining Ring 37 Cylinder Ass y 42 Piston 39 Face the sagged side of the Retaining Ring 37 to the Piston 39 Fig 41 LAT e Apply designated oil to the O ring sliding surface the Chamber 24 according to 10 1 e Be careful of the mounting direction of Pushing Lever Arms A 60 and B 62 Fig 42 Align the notch of Pushing Lever Arm A 60 or B 62 with the convex portion of the Pushing Lever Connector 68 Secure the U Nut M4 59 with a spanner 7 mm 0 276 or slender hd pliers and tighten the Hex Socket Hd Bolt 4 x 10 61 Pushing Lever Arm A 60 Pushing Lever Arm B 62 Fig 42 e Mount the Chamber Stop Rubber 41 and the chamber assy to the Cylinder Ass y 42 Align the roll pin hole of the Chamber 24 with the bent portion of Pushing Lever Arm A 60 or B 62 and drive the two Roll Pins D3 x 32 25 with a roll pin puller Fig 43 Use a pedestal when driving the Roll Pins D3 x 32 25 Fig 44 Do not support driving the Roll Pins D3 x 32 25 on the buffer cover 48 Cylinder Ass y 42 Chamber 24 Pushing Lever Arm A 60 or B 62 3 Split of the Roll Pin D3 x 32 25 Roll Pin D3 x 32 25 Pushing Lever Arm A 60 or B 62 Support the Chamber 24 with a pedestal Chamber 24 Fig 44 49 e Mount the Pushing Lever Spring 63 and insert the Cylind
33. ciones de Seguridad antes de ul amp zaro Lieve Utlicelo s lo en el exterior en habitaciones bien Mant ngase alejado de de ignici n auch samtiche Sicherheitshinweise Schulzen Sie ihre Augen mil Schuizbr len Nur im Freien oder in qut bel fleten R umen verwenden Von Z femhallen lt I gt eLeggere le Istruzioni di Sicurezza prima deli uso indossare sempre un disposilivo di protezione oculare DANGER EXTREMELY FLAMMABLE Contents under pressure keep away from temperatures over 50 lt 120 gt for ex sun radiation Do not use near flames or spray on heated surfaces Use only outside or in well ventilated rooms Throw away only at designated areas Keep out of the reach of children Do not damage puncture or burn even after use use may form flammable explosive vapor air mixture Keep container in a well ventilated place Do not breathe gas Keep away from ignition sources No smoking Do not refill ay c 7 3 Related Laws and Regulations As nailers and staplers are designed to instantaneously drive nails and staples there is an ever present danger of misfiring and subsequent possible serious injury Accordingly close attention in handling is absolutely necessary at all times Carefully ensure that the customer is fully aware of the precautions listed in the Handling Instructions provided with each unit
34. d Bolt M4 x 18 127 may deform the handle ass y and cause hard nail loading Do not apply tightening torque excessively The tightening torque is acceptable if the bolt is seated Socket W Flange D4 x 20 Black 83 Tapping Screw W Flange D4 x 16 Black 78 Tapping Screw W Flange D4 x 45 80 Magazine Guard 128 Nylon Nut M4 75 ra Tapping Screw Tapping Screw Tapping Screw Hex Socket Description W Flange W Flange W Flange Hd Bolt D4 x 45 D4 x 20 Black D4 x 16 Black M4 x 18 Bddr Number of screws bolts Tightening torque 30 0 5 1 0 to 1 5 N m kgf cm 30 3 10 to 15 ft Ib 2 2 0 4 0 7 to 1 1 Fig 50 56 2 Disassembly and of Handle 124 feeder and the related parts Fig 51 Tools required e Phillips screwdriver Roll pin puller 4 mm 0 157 a Disassembly e Remove the Lever Stopper 116 from the trigger of Handle 124 with a hand Remove the Nail Rail 93 with a hand Loosen the Tapping Screw W Flange D5 x 20 Black 126 and remove the Feeder Knob 125 Then the nail feeder ass y can be removed e Remove the Side Plate 55 Then the Ribbon Spring 121 Spring 08 122 and Pushing Lever Stopper 123 can be removed e Remove the Roll Pin D4 x 28 118 in A direction as shown in Fig 52 Then Nail Feeder 112 Spring 119 and Nail Feeder B
35. enning lt S gt eL s s kerhelsinsiruktionema dre anvandning B r altid qonskydd Anv nd beh llaren endasi ulomhus eller i val venlierade utrymmen beh llaen p avsi nd tan t rem l som kan anl nda 330237 Fuel cell For the U S A and Canada OK Befestigung D 47802 Krefeld Germany www okbefestigung de PATENT PENDING Contents Propane Butane liquefied Made Germany 40g 80 4 DANGER EXTREMELY FLAMMABLE CONTENTS UNDER PRESSURE 7 e Keep away from temperatures over 50 C lt 120 for ex sun radiation Do not damage puncture or burn even after use TERR KEEP OUT OF THE REACH OF CHILDREN IN USE MAY FORM FLAMMABLE EXPLOSIVE VAPOR AIR MIXTURE 2 Do not use near flames or spray on heated surface Keep away from ignition sources Use only outside or well ventilated rooms keep container in well ventilated place No smoking KEEP AWAY FROM SKIN AND EYES and DO NOT BREATHE GAS for SKIN AND EYE IRRITANT and VAPOR HARMFUL DO NOT REFILL For EU OK Befestigung D 47802 Krefeld Germany www okbefestigung de PATENT PENDING Contents Propane Butane liquefied 3 e Made in Germany 40 g 80 ml lt gt Lisez les consignes de s curit avani u isation Fortez toujaurs des luneites de protection eUlliser exclusivement en A DANGER ext rieur ou dans des be pieces bien a r es f cari es sources dignilion lt E gt Lea las instruc
36. er Ass y 42 into the Housing 71 At this time fit the convex portion of the Pushing Lever Connector 68 in the end of the Pushing Lever Spring 63 being careful not to remove the Pushing Lever Spring 63 Fig 45 Cylinder Ass y 42 Pushing Lever Spring 63 Convex portion Pushing Lever Connector 68 Fig 45 e Secure the Cylinder Plate 57 to the Cylinder Ass y 42 with the Seal Lock Hex Socket Hd Bolt M5 x 10 58 and join the Cylinder Ass y 42 with the Housing 71 Make the Cylinder Plate 57 contact with the convex portion of the cylinder Do not tighten the Seal Lock Hex Socket Hd Bolt M5 x 10 58 with the Cylinder Plate 57 overlapped on the convex portion Fig 46 At this time insert the Blade Guide 53 between the Cylinder Ass y 42 and the Cylinder Plate 57 Because it is difficult to mount the Blade Guide 53 later because the Cylinder Plate 57 pushes the Blade Guide 53 Do not use any bolt other than the Seal Lock Hex Socket Hd Bolt M5 x 10 58 because a special adhesive is used for the Seal Lock Hex Socket Hd Bolt M5 x 10 58 e Finally secure the Switch Plate 34 to the Chamber 24 with the Machine Screw 4 x 6 33 After mounting the Cylinder Ass y 42 to the Housing 71 mount the Switch Plate 34 to the Chamber 24 Note that the Cylinder Ass y 42 cannot be mounted to the Housing 71 if the Switch Plate 34 is mounted to the Chamber 24 first 50
37. eration OO E OL EO TROUBLESHOOTING GUIDE un een en 9 1 Problems Caused by Improper 9 2 Troubleshooting and C rretli n ax tis ten odes nitus dem 9 3 Checking for Sparking and Corrective Action pp 9 4 Regrinding the Driver 10 2 Disconnection and Reconnection of Wiring between Cylinder Head Section and FIandle ec 10 3 Disassembly Reassembly of Cylinder Head Section 10 4 Disassembly and Reassembly of Housing Section pp 10 5 Disassembly Reassembly of Handle Section pp Assembly diagram for 90GC 1 PRODUCT Hitachi 90 mm 3 1 2 Gas Strip Nailer Model 90GC 2 MARKETING OBJECTIVE Today one company has been monopolizing the gas nailer markets We will enter the largest scale clipped head D head nailer market with the new Model 90GC gas strip nailer to expand our market share The main features of the Model NR 90GC are as follows 1 The battery is located at the end of the handle for well balance 2 New aggressive appearance 3 2 actioned nail feeding 4 5 Comfortable grip i Fully charged one hour 3 APPLICATIONS e Floor and framing Truss build up window build up e Subflooring and roof decking e Wall sheathing e Mobile home and modular housing construction 4 SELLING POINTS Fully charged in one hour
38. erly to the fuel cell The Cell Lever 105 is deformed e he Adapter 30 is damaged e The Pushing Lever 64 is deformed e Pushing Lever Arms A 60 and B 62 are deformed e The O ring 15 is pinched t automatically turns off if it is left with the Battery 111 set for Europe Low voltage e The Battery 111 is not set The Battery 111 is faulty e he battery indicator light lights red Connection failure between Internal Wire A 86 and the Controller 101 e Connection failure between Internal Wire A 86 and the Motor 6 e Break in Internal Wire A 86 e he fan switch is faulty e The Switch Arm 82 is deformed e The Switch Arm 82 is deformed The Motor 6 is damaged e Return the Piston 39 to the uppermost position with a flat blade screwdriver e Keep depressing the Trigger 98 securely until the nailing operation is completed e Outside air temperature range 0 to 40 e Altitude Under 1500 m 5000 feet e Set the fuel cell properly Fig 14 Replace the fuel cell e Set the metering valve to the fuel cell properly Fig 15 Replace the Cell Lever 105 e The Adapter 30 is damaged e Replace the Pushing Lever 64 Replace Pushing Lever Arms A 60 and B 62 e Mount the O ring 15 properly e Remove the Battery 111 and set it again e Perform charging e Set the Battery
39. esive fragments and apply oil to the nail feeder Ribbon Spring 121 and the nail rail e Repair or replace the defective part e Remove the adhesive fragments Output section gt e Piston bumper is abnormal dislocated deformed or damaged O ring 36 of the cylinder is abnormal dislocated deformed or damaged e Driver blade is abnormal deformed burrs damaged or fatigued 2 Nails are bent For short nails the adjuster when being is raised too high driven Nails are not fully fed into the injection port Unspecified nails are used e Driver blade is worn e Workpiece is very hard e Nail Feeder A 112 is abnormal worn or damaged e Pull the nail feeder backward Replace the piston bumper and perform idle driving Check if the driver blade has returned e Reassemble or replace e Repair or replace e While operating the nailer without nails check if the driving operation is performed e Replace the head valve spring e After operating the nailer without nails check if the driver blade is kept in the down position Check if the adjuster is raised Turn the adjuster to the lower position to decrease the pressure e See item 1 too high See item 1 e Check if the driver blade tip is abnormally worn e Replace the driver blade e Do not use unspecified workpieces e Drive a nail into soft wood workpiece and check if the nail
40. hamber Lock Bar 100 is returned from the Filter 4 position under the Chamber 24 to the original position Thus the Chamber 24 and the Pushing Lever 64 are placed in the initial Gasser state and sealing by the O rings 15 and 36 chamber is released When the Fan 20 rotates air O ring 36 passes through the Filter 4 enters the combustion chamber and goes to the outside Chamber 24 in order to discharge gas and cool the combustion chamber Fig 8 Chamber Lock Bar 100 Pushing Lever 64 Fig 8 2 5 Full sequential action mechanism Switch Press the Pushing Lever 64 against the workpiece and move the Chamber 24 to the uppermost position Then the nailer operates only Tension when the Trigger 98 is depressed The nailer Plate 113 does not operate ifthe pressing amount of the Pushing Lever 64 is insufficient or if the Pushing portion of Lever 64 is pressed after depressing the Trigger the Chamber 24 98 O When depressing the Trigger 98 after pressing the Pushing Lever 64 The convex portion of the Chamber 24 pushes up the Tension Plate 113 and rotates when the Chamber 24 reaches the uppermost position Therefore the end of Switch Lever B 114 is moved toward the Trigger 98 Fig 9 The Lever Stopper 116 at the side of the Trigger 98 does not prevent Switch Lever 114 from Pushing Lever 64 rotating Fig 10 The switch
41. is bent e Check Nail Feeder A 112 for abnormal condition e Replace Nail Feeder A 112 D4 3 Head of a nail Adjuster is improperly Turn the adjuster to the e Adjust the adjuster to the pires into a adjusted lowest position and drive a proper position workpiece nail protrudes from the wood Workpiece is very hard Drive a nail into soft wood e Do not use unspecified surface workpiece and check if the workpieces head protrudes from the wood surface e Driver blade is worn Operate the nailer without e Replace the driver blade nails and check if the driver blade is projected from the nose tip 4 Nails clog the Unspecified nails used e Check if the nails are Use specified nails mechanism specified ones Improper nail feed e Check if they move smoothly e See Magazine in item 1 after putting nails and check e See Magazine in iem 1 if the nail feeder operates smoothly Driver blade worn Check if the driver blade tip is e Replace the part worn Nail Feeder 112 is Check Nail Feeder A 112 Replace Nail Feeder abnormal worn or for abnormal condition 112 damaged 95 9 3 Checking for Sparking Corrective Action The main causes of no combustion are the following five items 1 The fuel cell is abnormal gt the fuel cell with new one 2 The battery is abnormal Check the battery 3
42. l NR 90GC utilizes D head clipped head nails collated with paper tape Applicable nail dimensions are shown below Please note that screw type nails cannot be used with the Model NR 90GC CAUTION Ensure that nails as specified in Fig 1 The Model NR 90GC utilizes D head clipped head nails collated at an angle of 35 degrees which are the same as the nails utilized by P However some D head nails made by other makers are collated at a different angle of 26 degrees Use of such nails will cause clogging of nails and subsequent damage to the nailer Also avoid use of misaligned nails or nails collated with a weak paper tape Do not use P s 2 Roundrive nail eccentric full round head nail with the Model NR 90GC because it may cause bending of nails It is recommended to use genuine HITACHI nails to ensure satisfactory driving quality Paper tape collated strip nails D head clipped head nails 3 3 mm x 90 mm nails Paper tape Er Fig 1 Dimensions of nail 5 4 Nail Driving Force In contrast to a pneumatic nailer the output energy of a gas cannot be adjusted optionally However the output energy is changed because environmental conditions such as ambient temperature humidity and altitude have an effect on its combustion Figure 2 shows a comparison between the pneumatic nailers Models NR 90AD and others and the gas nailer Model 90GC on the output energy range The output energy of the Model NR 90GC
43. le A 124 Mount the Side Plate 55 to Handle A 124 with the spring hooking portion of the Side Plate 55 engaged with the hook of the Ribbon Spring 121 3 Insert a finger into the coil portion of the Ribbon Spring 121 from the front of Handle A 124 Stretch the coil portion in the nail feeder pulling direction Then set the nail feeder to the coil portion and return the nail feeder to the forward position slowly Mount the Feeder Knob 125 to the nail feeder and tighten the Tapping Screw W Flange D5 x 20 Black 126 Apply grease to the Lever Stopper 116 and mount it to the specified position on the handle Push in the Lever Stopper 116 as far as it will go with a roll pin puller to engage with the convex portion of Handle A 124 Fig 54 1 Apply grease to the surface where Handle Lever Stopper 116 A 124 contacts Handle A 124 prevention of dropping Push in this portion to engage with the convex portion of Handle A 124 Convex portion Fig 54 1 3 Disassembly and of Handle 84 Controller 101 and the related parts Tools required e Spanner Hex bar wrench 4 Phillips screwdriver Roll pin puller 2 5 mm 0 098 a Disassembly See Fig 54 2 e Remove the Trigger Spring 97 and the Chamber Lock Bar 100 e Remove the Pin D2 5 115 and Switch Lever B 114 Remove the Tension Plate 113 from Switch Lever
44. le due to scratches replace the Controller 101 Faulty insulation of Spark Plug A 11 gt Replace Spark Plug A 11 4 Check whether the trigger switch wire in the Trigger 98 is pinched or not Fig 16 5 Switch Lever B 114 is faulty Replace Switch Lever B 114 6 The Trigger 98 is faulty Replace the Trigger 98 7 No sparking occurs even if the switch in the Trigger 98 is directly turned on gt Replace Internal Wire A 86 Spark plug cable Cylinder Head 14 Spark Plug A 11 Check whether sparking occurs at this area or not 9 4 Regrinding the Driver Blade The tip of the driver blade should be ground as shown in Fig 20 To grind with a grinder gradually grind the tip while cooling the ground area with water to prevent it from being excessively heated Excessive grinding will rapidly reduce the service life of the driver blade In such a case replace the driver blade Driver blade Slant Grinding surface Fig 20 eT 10 DISASSEMBLY AND REASSEMBLY The items particularly necessary for disassembly and reassembly are described below The Bold numbers in the descriptions below correspond to the item numbers in the Parts List and exploded assembly diagram CAUTION e Before disassembly or reassembly be sure to remove all nails fuel cell and battery e Be sure to tighten the screw of the head securely before driving nails 10 1 General Precautions i
45. mbly Heassembly procedures should be followed in the reverse order Note the following points e Be careful of the split direction of the Roll Pin D2 5 x 10 99 when mounting the Trigger 98 and Internal Wire A 86 Do not damage the plunger of the switch Fig 55 Perform wiring of the Controller 101 and Internal Wire A 86 as shown in Fig 56 Position the other parts as shown in Fig 56 Do not apply tension to the high voltage cable of the Controller 101 and the connector of Internal Wire A 86 Fig 56 e Mount the Wiring Cover 103 to Handle B 84 then hang the Chamber Lock Bar 100 on the ring of the Lock Bar Spring 102 Hang the magazine plate on the claw of Handle B 84 3 places Fig 58 9 Be careful of the mounting direction of the Tension Plate 113 Fig 59 Internal Wire A 86 Roll Pin D2 5 x 10 99 Plunger Trigger 98 Fig 55 Ane SNB quel Perform wiring so that no lead wire is placed on this rib and no pinching by the Trigger 98 operation gger 98 op Position the lead 227 wire at the top B o Soil Internal Wire A 86 Roll Pin D2 5 x 10 99 Trigger Spring 97 Lock Bar Spring 102 Switch Mount 81 Switch Arm 82 Tapping Screw W Flange D4 x 14 Black 95 Hex Socket Hd Bolt MOOR ASSY M5 x 15 76 Nylon Nut M5 92 Sleeve 77 64 Pin 02 5 115 Switch Lever 11
46. n Disassembly and Reassembly e Apply grease ATTOLUB No 2 Code No 317918 to the areas shown in Fig 22 e Apply oil Gas Nailer Lubricant Code No 885246 Code No 885546 to the areas shown in Fig 21 When installing the O rings be careful not to damage the O rings and prevent dirt entry e Oil required Hitachi Gas Nailer Lubricant 8 oz 250 cc oil feeder Code No 885 246 Code No 885 546 e Use the cleaner Code No 885245 for cleaning the inner parts such as O rings e Tightening torque for each part Bolt and others Tightening torque N m kgf cm ft Ib imi Socket Set Screw M4 x 5 3 4 0 7 35 7 2 5 0 5 4 Socket Hd Bolt M4 x 10 4 6 0 5 45 5 3 4 0 4 Socket Hd Bolt M4 x 10 Socket Hd Bolt M4 x 16 Socket Hd Bolt M4 x 18 Socket Hd Bolt M5 x 10 6 4 X 0 5 65 5 4 7 0 4 Socket Hd Bolt M5 x 14 4 Socket Hd Bolt M5 x 15 59 0 5 60 5 4 4 0 4 Socket Hd Bolt M5 x 20 6 4 0 5 65 5 4 7 0 4 Socket Hd Bolt M5 x 50 6 9 0 5 70 5 5 1 0 4 Seal Lock Hex Socket Hd Bolt M5 x 10 8 3 20 5 85 5 6 1 t 0 4 Tapping Screw W Flange D4 x 14 Black 1 5 0 5 15 5 0 7 0 4 Tapping Screw W Flange D4 x 16 Black 3 0 0 5 30 5 2 2 0 4 Tapping Screw W Flange D4 x 20 Black Tapping Screw W Flange D5 x 20 Black Tapping Screw W Flange D4 x 45 1 0 0 3 10 3 0 7 0 2 1 8 40 4 18 4 1 3 0 3 1 0 50 2 10 2 0 7 0 1 28 Oil
47. nail is driven Combustion section though nails are The Piston 39 does not Check the position of the e Return the Piston 39 to the set properly and return completely Piston 39 uppermost position with a combustion is flat blade screwdriver normal Keep depressing the Trigger 98 securely until the nailing operation is completed e The O rings 15 36 are e Replace the O rings 15 worn and 36 e The Lead Valve 45 is e Replace the Lead Valve deformed 45 Inside of the cylinder is Clean the inside of the stained cylinder The Piston Ring 38 is Replace the Piston Ring damaged 38 Low output e Discharging and cooling are The Filter 4 is clogged Clean the Filter 4 Fig 13 insufficient e Check the outside air e Outside air temperature The outside air temperature temperature and the altitude range 0 to 40 and the altitude are out of the e Altitude Under 1500 m specifications The nailer is e Discharging and cooling are The Filter 4 is clogged e Clean the Filter 4 Fig 13 overheated insufficient e Do not use the nailer at high Operating speed is fast speed Speed 1 nail sec Continuous operation 1000 nails h Abnormal noise is Discharging and cooling are Check that the Motor 6 Mount each part properly heard when the insufficient Motor Mount 8 Motor fan is rotating Sleeve 9 Fan 20 and Nut Arubbing noise M4 18 are mounted
48. ng section is provided One thin red wire and one thin black wire 4 Fig 23 Tools required Hex bar wrench 4 mm 9 Phillips screwdriver a Disassembly Fig 24 e Remove the Hex Socket Hd Bolt M5 x 14 1 and the Washer M5 2 then open the Top Cover 3 Do not open the Top Cover 3 excessively Otherwise it may be broken e Disconnect the red cable from Spark Plug A 11 Be sure to hold the black rubber cap at disconnection to prevent the cable from being damaged Do not yank the cable If it is difficult to disconnect the rubber cap from Spark Plug A 11 pry the rubber cap off with a Phillips screwdriver or the like by fitting the tip of the Phillips screwdriver in the root of the cable outlet of the rubber cap e Remove the connector from the two wires coming from the Motor 6 e Remove the Hex Socket Hd Bolts x 20 13 and remove the cylinder head section from the main body Spark plug cable Wiring connected to the motor Connector of the motor E N A gt ST L Top Cover 3 Do not open excessively Washer M5 2 Hex Socket Hd Bolt M5 x 14 1 B Cylinder head section Fig 24 32 b Reassembly Heassembly procedures should be followed in the reverse order Note the following points e When mounting the cylinder head section to the main body align the core of the Cylinder Ass y 42
49. opellant gas strongly push the stem down vertically in order to puncture the cap of the canister When punctured remaining propellant gas will be discharged Carton box small Storage To Retailers e Flammable contents Container under pressure Store in well ventilated area Do not store above 50 120 F e g sun radiation Do not be displayed in shop windows Do not store in passages entry halls near doors exit or attic Do not store together with pyrotechnical goods e The quantity stored in sales rooms should not exceed daily sales Store rooms must not take more than 20 of room surface A fire extinguisher of 6 kg class A B C must be available Packages should be stacked up not to fall to the ground Do not expose to an open flame and sparks Do not puncture or open the fuel cell Keep out of reach of children Carton box large Transportation Shipment per mail is not allowed Transportation of small quantities for own use in private car is allowed without shipping papers and emergency card Observe temperature limit of 50 C 120 F Goods must be accompanied by transport emergency card for road class 2 1 UN No 1950 UN No United Nation IMDG Aerosols International Maritime Dangerous Goods 8 MECHANISM AND OPERATION PRINCIPLE 8 1 Mechanism The Model NR 90GC is a that drives nails into workpieces with the aid of fuel combustion energy This i
50. remove the Switch Plate 34 Note that the Cylinder Ass y 42 cannot be removed from the Housing Ass y 74 without removing the Switch Plate 34 Push the tip of the Cylinder Assy 42 in the Housing Assy 74 Then the Cylinder Assy 42 chamber section Pushing Lever Arms A 60 and 62 can be removed from the Housing Assy 74 in a single unit It is easy to remove them while pressing the side of the Housing Assy 74 with a hand Fig 34 Remove the two Pushing Lever Springs 63 with a hand Remove the two Roll Pins D3 x 32 25 with a roll pin puller to remove the chamber section from the Cylinder Ass y 42 Secure the U Nut M4 59 with a spanner 7 mm 0 276 or slender hd pliers and loosen the Hex Socket Hd Bolt M4 x 10 61 Then Pushing Lever Arms A 60 and B 62 are separated from the Pushing Lever Connector 68 and they can be removed from the Cylinder Ass y 42 Remove the O ring 1 0 66 27 36 and two Chamber Stop Rubbers 41 with hand Remove the two Hex Socket Hd Bolts M4 x 10 43 Then the muffler section can be disassembled into Buffer Cover 44 Lead Valve 45 and Muffler 50 Note that a special sealant is used for the Cylinder Ass y 42 Select a liquid silicon sealant capable of resisting temperatures up to 300 C SAT Machine Screw 4 x 6 33 O ring 1 0 66 27 36 Cte Retaining Ring 37 Piston Ring 38 Switch Plate 34 Chamber section Piston
51. rk plug in the combustion chamber discharges Fig 6 Fuel burns and a sudden expansion occurs The Piston 39 is lowered to drive nails Fig 7 When the Piston 39 passes the hole of the Cylinder Ass y 42 combustion gas is partially released into the atmosphere through the Lead Valve 45 Because the Lead Valve 45 is a nonreturn valve no air comes in the Cylinder Ass y 42 When the Piston 39 contacts the Piston Bumper 40 combustion of fuel is almost completed 3 During return When the Trigger 98 is depressed the Chamber Lock Bar 100 at the bottom of the Trigger 98 is positioned under the Chamber 24 to prevent the Chamber 24 from lowering while the Trigger 98 is depressed The Chamber 24 is sealed by the O rings 15 and 36 to cut off the atmosphere Fig 7 Because combustion gas is partially released into the atmosphere through the Lead Valve 45 the pressure of the upper portion of the Piston 39 becomes lower than the atmospheric pressure The Piston 39 is returned to the initial position by the pressure difference between the upper portion and the lower portion of the Piston 39 Chamber 24 Spark plug Switch Lever 114 Combustion chamber Piston 39 Lead Valve 45 Hole of Cylinder Ass y 42 O ring 36 Lead Valve 45 Piston 39 Fig 7 49 2 4 Discharging cooling O ring 15 When the Trigger 98 is released the C
52. s the Hitachi s first gas strip nailer and there is no similarity between the Model NR 90GC and other Hitachi nailers in construction Its principle of operation is completely different from that of a pneumatic nailer except the magazine section The Model NR 90GC is equipped with a fuel cell and a battery in order to output combustion energy in addition to the electric components such as electric circuits motor and electric switches As illustrated in Fig 8 the Model 90GC can be generally divided into three sections Output section head section and handle section Features of the main parts are described below Output section Housing section This section outputs fuel combustion energy The piston reciprocates to drive nails in the same manner as a pneumatic nailer The piston reciprocates in the cylinder Under the piston there is a driving unit The combustion chamber is encased in a chamber and burns fuel to output combustion energy Outputted combustion energy is applied to the top of the piston then the piston is suddenly lowered to drive nails at the driving unit The nails are fed from the magazine unit in the handle section 9 Head section Cylinder head section This section is at the top of the combustion chamber in the output section There is a fan to stir fuel and fuel is fed from the fuel cell to the combustion chamber in this section The fan is mounted to the motor The motor is held in the motor mount and secured to
53. t the Cylinder Ass y 42 cannot be mounted to the Housing 71 if the Switch Plate 34 is mounted to the Chamber 24 first Chamber Head 22 Gasket A 23 Convex portion of Gasket A 23 Fig 48 59 4 Disassembly and reassembly of Housing Assy 74 Fig 49 Although the Housing Ass y 74 is supplied in assembly perform disassembly and reassembly of the Housing Ass y 74 when replacing the components of the Housing Ass y 74 singly Tools required e Hand press a Disassembly Push out the Screw 5 70 in A direction as shown in Fig 49 with a hand press The insulator Sheet 72 cannot be replaced because it is adhered with double side adhesive tape b Reassembly e Push in the Screw M5 70 in B direction as shown in Fig 49 with a hand press 9 Degrease the adhering surface on the Housing 71 then adhere the Insulator Sheet 72 to the designated position Fig 49 Insulator Sheet 72 Insulator Sheet 72 Housing 71 Align the end Screw M5 70 Housing 71 Fig 49 54 10 5 Disassembly and Reassembly of Handle Section 1 Disassembly and reassembly of handle A ass y and handle B ass y Fig 50 The handle section is comprised of handle ass y and handle B ass y Tools required e Hex bar wrench 3 mm e Phillips screwdriver a Disassembly Perform disassembly according to 10 2 10 3 and 10 4 Remove the cylinder head section and the ho
54. the center of the cylinder head through the spring This spring absorbs shock to the motor There is a spark plug beside the fan The top cover at the top of the main body covers the filter The cell lever feeds fuel from the fuel cell to the combustion chamber Its rotation is supported Handle section This section is comprised of a magazine unit to feed nails to the driving unit battery holder handle unit fuel cell holder and electrical wiring The construction of the magazine unit is similar to that of a pneumatic nailer There is a controller behind the magazine unit in order to control electric signals The handle unit contains a trigger with a built in spark switch Switch lever B is located at the top of the trigger in order to turn on the spark switch The electrical wiring connects the battery trigger switch and fan switch Upon receipt of each switch signal by the controller the motor in the head section rotates and the spark plug discharges Output section Head section Cylinder head section Motor Mount 8 Motor 6 Cover 3 Cover 109 Filter 4 reizen Cylinder Head 14 IP 9 Spark Plug A 11 ig Motor Spring 12 e hen 775 ran BONS GE Combustion chamber 5 er Chamber 24 39 r Piston 40 ma Knob 125 Pushing Lever 64 Handle section Fig 3 A 8 2 Principle of
55. the salesperson carefully ensures that the buyer seriously recognizes the importance of the contents of the Handling Instructions and fully understands the meaning of the precautions listed on the Warning Label attached to each tool 7 1 Handling Instructions Although every effort is made in each step of design manufacture and inspection to provide protection against safety hazards the dangers inherent in the use of any pneumatic tool cannot be completely eliminated Accordingly general precautions and suggestions for use of pneumatic tools and specific precautions and suggestions for the use of the pneumatic nailer are listed in the Handling Instructions to enhance the safe efficient use of the tool by the customer oalespersons must be thoroughly familiar with the contents of the Handling Instructions to be able to offer appropriate guidance to the customers during sales promotion 7 2 Warning Label Each Model NR 90GC unit is provided with a Warning Label illustrated below which lists basic safety precautions in its use Carefully ensure that customers fully understand and follow these precautions before using the tool For the U S A and Canada HITACHI NH 90GC 7 24 KL M 4 DANGER 27 x 120 3 1 2 x 131 Reed and understand tool aeu end manusi Fedure to warnings coud resut in DEATH or SERIOUS Operators and others n work area MUST wear safety gasses Hitachi Koki F
56. using section to isolate the handle section Remove the Tapping Screw W Flange D4 x 45 80 Tapping Screw W Flange D4 x 20 Black 83 Tapping Screw W Flange D4 x 16 Black 78 and Hex Socket Hd Bolt M4 x 18 127 then pull out the Magazine Guard 128 Gently pull up handle A facing handle B hooked side downward Then handle A ass y is separated from handle B ass y Be careful not to lose the following parts that are apt to drop e Trigger Spring 97 e Trigger 98 e Switch Lever B 114 e Lever Stopper 116 Spring 129 b Reassembly e Reassemble handle A ass y and handle B ass y according to 10 5 2 3 Place handle B ass y on a workbench and put handle A ass y on handle B ass y Perform reassembly gently being careful not to drop the Lever Stopper 116 Insert the Magazine Guard 128 not to separate the handle section completely Move Switch Lever 114 to the designated position Adjust the Spring 129 with a small flat blade screwdriver so that the lower end of the Spring 129 is put on Switch Lever B 114 e Tighten the six tapping screws three kinds If the Tapping Screw W Flange D4 x 20 Black 83 is tightened instead of the Tapping Screw W Flange D4 x 16 Black 78 the screw boss of handle A may be damaged Be careful of the screw length Tighten the screw aligning with the female thread portion of the handle at reassembly Overtightening the Hex Socket H
57. zine Plate Nail Rail Nail Feeder A Nail Feeder B Ribbon Spring Feeder Knob Adjustment Cylinder 70 Hitachi Power Tools LIST NO E025 GAS TOOL PARTS LIST GAS STRIP NAILER 2005 9 30 Model NR 90GC E3 C gt 8 So N P ON WH i 3 60 T coveno 90GC 949 665 SOCKET HD BOLT M5X14 10 949 424 WASHER 5 10 PCS 885 353 COVER 885 274 FILTER 885 275 FILTER COVER 6 885 309 MOTOR 7 885 318 ROLLPIN D2 5X25 8 885 310 MOTOR MOUNT 9 885 314 MOUNT SLEEVE 10 885 320 SHAFT WASHER 885 333 SPARK PLUG 885 319 MOTOR SPRING 949 757 SOCKET HD BOLT M5X20 10 PCS 885 308 CYLINDER HEAD 885 316 O RING 1 0 59 92 18 949 554 NUT M4 10 PCS 19 949 423 WASHER 10 PCS 20 885 311 FAN 21 949 754 HEX SOCKET HD BOLT M4X16 10 PCS 22 885 294 CHAMBER HEAD 23 885 295 GASKET A 24 885 296 CHAMBER 25 884 975 ROLL PIN D3X32 26 880 319 SHAFT RING 27 885 277 SHAFT 28 949 2314 MACHINE SCREW 4 6 10 PCS 29 885 313 RUBBER WASHER 30 885 317 31 961 681 HEX SOCKET SET SCREW M4X5 32 885 297 CHAMBER LOCK PLATE 33 949 2314 MACHINE SCREW 4 6 10 PCS 34 885 306
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