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MINI-STRIKER

1. WATERAX MINI STRIKER Portable Single Stage Fire Pump Instruction amp Service Manual WE MOVE WATER Mini Striker Service Manual TABLE OF CONTENTS General Information SPECIFICATIONS DIRECTIONAL REFERENCES SERIAL NUMBERS Operating Instruction IMPORTANT NOTICE STARTER OPERATING INSTRUCTIONS OIL ALERT SYSTEM PUMP UNIT COLD WEATHER AND STORAGE ENGINE TROUBLESHOOTING CHART PUMP TESTING PROCEDURE GOVERNOR SYSTEM Regular Maintenance MAINTENANCE CHECK LIST ENGINE MAINTENANCE Pump End Overhaul Service Procedure ENGINE OIL SPARK PLUG AIR FILTER CARBURETOR FUEL SYSTEM VALVES ROCKER ARMS AND PUSH RODS SPARK ARESTER RECOIL STARTER FLYWHEEL AND IGNITION COIL VALVE LIFTER OIL CASE AND CRANKSHAFT Miscellaneous TORQUE VALUES AND CLEARANCE LIMITS WARRANTY CERTIFICATE www wildfire env com e 1 800 426 5207 Page CO CO Ny OT BH HB WY Wy W 10 10 10 11 12 12 13 13 13 14 15 15 16 17 18 06 2011 06 2011 www wildfire env com e 1 800 426 5207 Mini Striker Se rvice Manual GENERAL This handbook includes specifications performance data operating instructions normal INFORMATION servicing information and parts list for the Mini Striker centrifugal fire control unit The Mini Striker has been designed to meet all the requirements of advanced techniques in forest fire control It can also be used for non related fire control such as marine services irrigation foam a
2. causing an air lock The suction hose between the pump and water supply source must have a downward slope 2 Loose suction hose coupling 3 Foot valve strainer clogged or too close to surface of water WARNING 4 Pump loses prime Should Wie Ask ven Je e Due to lack of water air lock may form in the suction hose when pump unit works ALL oll be e against a high delivery head If this happens disconnect the discharge hose from the pump then reprime pump in the normal manner e Pump runs out of water either because of lack of sufficient water supply or by attempting to pump water form a shallow or choppy water source The foot valve must remain at least a foot 30 cm under the water surface while pump is Operating All suction couplings including foot valve must be wrench tightened Proper fitting gaskets must be used in all coupled joints Worn or dried out gaskets should be replaced with new gaskets The governor system will not stop the engine For damage protection the governor will avoid engine of higher speed than 7800 150 RPM without load The Governor will not interfere with normal operation of the unit and will also allow the use of small nozzle tips as well as complete pump shut off for short periods of time em em wa TT ND D V EYE fm EU SA bestopped as soon as possible Mini Striker Service Manual www wildfire env com e 1 800 426 5207 REGULAR Regular maintenance is a schedule of continuo
3. BO SPARK ARRESTER 1 While the muffler is cold remove bolts and muffler protector 2 Remove the special screw from spark arrester and remove spark arrester from muffler 3 Brush off the carbon deposits from spark arrester screen Be careful to avoid damaging the screen 4 Check muffler for carbon deposits If necessary remove muffler and tap outer flange with a plastic hammer Do not tap on seal flange If seal flange has dents or damage replace muffler 5 Reinstall in reverse order of removal Remove recoil starter While wearing heavy gloves take care not to allow the recoil starter spring to pop out when disassembling To reassemble set recoil starter spring hook into starter reel groove Pass starter rope through hole in recoil starter reel and make a knot at rope end Wind rope on recoil starter reel in direction of arrow Align inner end hook of the recoil starter spring with starter case groove and install Pass starter rope through cutout in recoil starter case and turn the recoil starter reel 3 turns to preload spring 8 Pull out the rope end through recoil starter case hole and through starter grip before making a knot 9 Install swing arm swing arm collar and friction spring before securing with set screw RECOIL STARTER Es D p O FAN COVER RECOIL STARTER RECOIL STARTER CASE ASSEMBLY ne S E rT RE SS Se RECOIL STARTER ROPE FLANGE NUT STARTER GRIP WATERAX ees 06 201
4. the air gap between the magnetic part CRANKSHAFT VE of flywheel and the ignition coil is within tolerance The clearance should be equal at both ends of the ignition coil 10 Reinstall fan cover and recoil starter assembly CRANKCASE SIDE COVER VALVE LIFTER 1 Insert a screwdriver into concave provided and remove crankcase side cover 2 Remove the governor weight assembly from governor shaft 3 Remove the camshaft and valve lifter components 4 Inspect and measure the I D of the camshaft roller bearing and valve lifter bearing compare with engine standard and service limit GOVERNOR 5 Inspect and measure camshaft I D and its height Compare with engine WEIGHT HOLDER standard and service limit GOVERNOR 6 Inspect and measure the camshaft roller O D and valve lifter roller O D HOLDER CHP Compare with engine standard and service limit Kee 7 Inspect and measure the valve lifter LD and compare with engine standard GOVERNOR and service limit 8 Inspect and measure the rocker arm I D and compare with engine standard and service limit 9 Inspect and measure the rocker arm shaft O D and compare with engine standard and service limit 10 Inspect and measure the rocker arm shaft bearing LD and compare with engine standard and service limit 11 Clean mating surfaces of crankcase side cover and cylinder block 12 Reassemble the valve lifter assembly and camshaft make sure the mark on the camshaft drive gear is properly aligned wi
5. 1 www wildfire env com e 1 800 426 5207 FLYWHEEL AND IGNITION COIL RECOIL STARTER PULLEY lt SPECIAL NUT a a DE FLYWHEEL E FAN COVER Mini Striker Service Manual Efficient engine cooling is accomplished by a fan attached to the flywheel This fan pulls air through the rewind starter that forces air around the cylinder and through the spaces between the cylinder and cylinder head fins In time the cooling air passages will become partially clogged and fins will become coated with dirt therefore reducing the cooling efficiency Whenever this situation occurs proceed as follow 1 Remove recoil starter assembly and the fan cover 06 2011 ee JA SS 2 Remove nut holding the recoil starter pulley while holding the flywheel with Irs Pty d BON a strap wrench dE G give 3 Remove the recoil starter then the flywheel with a flywheel puller sd DE RN IGNITION COIL oo WOODRUFF KEY P EX 4 Clean crankshaft of dirt oil grease and other foreign material FAN COVER STUE 5 Clean flywheel and ensure no foreign material are on the magnetic part BOL B42 6 Check ignition coil wires for tears and damage N 7 Reinstall the flywheel over crankshaft and ensure the key groove is properly le HIGH TENSION aligned RAR 8 Apply light coat of oil to crankshaft threads and tighten special nut to k rl cop SWITCH specified torque Pee PE WIRE 9 Reinstall the ignition coil Make sure
6. 2 LE Le ah VALVE ADJUSTING SCREW 2 ROCKER ROCKER ARM SHAFT ge a ARM 2 bh PUSH ROD 2 CYLINDER BLOCK a ee ee E 10 11 Mini Striker Service Manual Remove fuel tank cap and clean air vent filter with warm soapy water Move fuel valve lever to ONT position Loosen carburetor drain screw and drain carburetor Disconnect fuel tube Remove fuel filter and clean by blowing compressed air Check fuel filter for blockage and damage Replace if necessary Clean fuel tank and dry thoroughly Check fuel tube for deterioration cracks or signs of leakage Replace if necessary Set fuel filter in the fuel tank and reconnect fuel tank tube Reinstall fuel tank on rubber mounts and secure with setting collar and bolt washer 10 Nem 84 inch lbs 7 ft lbs Check for leakage Operation with misadjusted valve clearance is reflected in engine performance as indicated by engine not starting momentarily starting then stopping running irregularly or missing backfiring not properly idling or not developing normal power and or overheating Therefore at time of each regular maintenance inspection and whenever check of valve clearance indicates it is in need of attention remove for inspection and service as follow ev em Remove fuel tank Remove fuel tank stay Carefully pry off the valve cover if deformed replace the valve cover Pull on the recoil starter rope and set piston at top dead centre of com
7. 2 mm 1 1013 in 0 1970 0 1978 in 0 1970 0 1978 in 5 005 5 023 mm 5 005 5 023 mm 22 8 mm 0 90 in 26 972 mm 1 0619 in 5 100 mm 0 2008 in 4 950 mm 0 1949 in 5 050 mm 0 1988 in 4 950 mm 0 1949 in 5 050 mm 0 1988 in 5 050 mm 0 1988 in e ee 7 ee eee ee 5 050 mm 0 1988 in Cylinder block Camshaft roller Bearing LD 5 005 5 023 mm 0 1970 0 1978 in Valve lifter roller Bearing LD 5 005 5 023 mm 0 1970 0 1978 in 5 050 mm 0 1988 in Rocker arm roller Bearing LD 4 000 4 018 mm 0 1575 0 1582 in 4 050 mm 0 1594 in Valve guide LD IN EX 4 000 4 018 mm 0 1575 0 1582 in 4 060 mm 0 1598 in Rocker arms LD Bearing 4 005 4 025 mm 0 1577 0 1585 in 4 050 mm 0 1594 in Rocker arm roller OD 3 990 4 000 mm 0 1571 0 1575 in 3 950 mm 0 1555 in Spark plug Gap 0 6 0 7 mm 0 024 0 028 in Ignition coil Resistance Primary side 0 98 1 200 e Secondary side 8 10Q 0 3 0 5 mm 0 012 0 020 in Carburetor Main jet 55 Float level height Pilot screw opening 12 mm 0 47 in 1 1 8 turn out 06 2011 06 2011 www wildfire env com e 1 800 426 5207 M i ni i Stri ker Servi ce Manua WARRANTIES A Warranty on Products Distributed by Wildfire Wildfire makes no warranty express or implied with respect to any product distributed by it and m
8. 3 ft lbs Flange bolt and nut 4mm 3 5 Nem 30 inch lbs 2 5 ft lbs Oil drain bolt 11 0 Nem 96 inch lbs 8 0 ft lbs 5mm 5 5 Nem 48 inch lbs 4 0 ft lbs Flywheel hub nut 21 5 Nem 186 inch lbs 15 5 ft lbs 6mm 10 0 Nem 84 inch lbs 7 0 ft lbs Fuel tank bolt 10 0 Nem 84 inch lbs 7 0 ft lbs Screw 3mm 1 0Nem 8 inch lbs 0 7 ft lbs Ignition coil bolt 6 0 Nem 52 inch lbs 4 3 ft lbs 4mm 2 0Nem 17 inch lbs 1 4 ft lbs Fan cover stud bolt 6 0 Nem 52 inch lbs 4 3 ft lbs Self tapping flange bolt 5mm 5 5 Nem 48 inch lbs 4 0 ft lbs CLEARANCE DATA PART ITEM STANDARD SERVICE LIMIT amp LI M IT ENG N E Engine Maximum speed without load 7 800 150 RPM Idle speed 2 500 200 RPM Cylinder compression 0 42 MPa 61 psi 1000 RPM Cylinder Sleeve I D 41 800 41 815 mm 1 6457 1 6463 in 41 900 mm 1 6496 in Piston Skirt OD 41 770 41 790 mm 1 6445 1 6453 in 41 700 mm 1 6417 in Piston to cylinder clearance 0 010 0 045 mm 0 0004 0 0018 in 0 120 mm 0 0047 in Pin bore I D 10 002 10 008 mm 0 3938 0 3940 in 10 050 mm 0 3957 in Piston pin 0 D 9 994 10 000 mm 0 3935 0 3937 in 9 950 mm 0 3917 in Pin to piston clearance 0 002 0 014 mm 0 0001 0 0006 in 0 100 mm 0 0039 in Piston rings Ring width Top 0 77 0 79 mm 0 030 0 031 in 0 720 mm 0 0283 in Second 0 97 0 99 mm 0 038 0 039 in 0 920 mm WATERAX ees Connecting rod Crankshaft Valve
9. 6 27 28 29 30 35 36 37 38 Mini Striker Service Manual Calculate the piston to cylinder clearance and compare with engine standard and service limit Inspect and measure the piston rings top ring and second ring and compare with engine standard and service limit Measure ring side clearance and compare with engine standard and service limit Insert the piston ring in the cylinder and position using the piston Then measure the piston ring end gap and compare with engine standard and service limit Measure the piston pin O D and compare with engine standard and service limit Measure the piston pin bore LD and compare with engine standard and service limit Measure connecting rod small end LD and compare with engine standard and service limit Measure connecting rod big end LD and compare with engine standard and service limit Measure crank pin O D and compare with engine standard and service limit Clean the crank pin and connecting rod big end Set a plastigauge in the axial direction on crank shaft pin Install connecting rod cap and tighten the connecting rod bolt to the specified torque see torque values table Remove the connecting rod cap and measure the plastiqauge with the plastigauge scale If it exceeds the service limit replace the connecting rod and recheck the clearance It the clearance measured using a new connecting rod exceeds the service limit replace the crankshaft Measure th
10. 605 Tel 800 426 5207 916 372 9004 Fax 916 372 9006 2602 Mount Lehman Road Suite 102 Abbotsford BC Canada V4X 2N3 Tel 800 426 5207 604 864 4176 Fax 604 864 4186 17426 106A Avenue Edmonton AB Canada T5S 1E6 Tel 800 426 5207 780 484 3705 Fax 780 484 5115
11. KE LEVER MUFFLER THROTTLE LEVER FUEL VALVE LEVER OIL FILLER CAP DIPSTICK Mini Striker Service Manual www wildfire env com e 1 800 426 5207 COLD WEATHER IMPORTANT In cold operation it is goodpractice to put a small quantity of aluminium compatible antifreeze into pump end through discharge immediately after use to ensure against damage from freezing To stop Mini Striker unit 1 Move throttle lever to SLOW position 2 Move FUEL VALVE LEVER to the OFF position and wait for engine to stop 3 Turn IGNITION SWITCH to the OFF position Recommended Procedure for Cold Weather or Prolonged Storage The following procedure is recommended to assure proper protection of the engine if the engine is to be left idle for prolonged periods between use or if there is the possibility that the engine may be stored in an unheated area of where freezing temperatures may occur 1 Move FUEL VALVE LEVER to the OFF position 2 With pump unit running at approximately 1 2 throttle allow engine to run until all fuel has left the carburetor and the engine comes to a stop 3 Remove spark plug 4 Rotate crankshaft until piston is at top dead centre 5 Pour 30 ml 1 oz of oil into spark plug opening It is preferable to keep the pump unit in dry storage above freezing temperature However as this is not always possible some slight rusting may occur which should have no detrimental effect on the life
12. anufactured by third party manufacturers You the purchaser can only rely upon such warranties if any that are made by their respective manufacturers and subject the limitations that may be contained in such warranties according to the respective terms thereof Wildfire hereby assigns as applicable any such manufacturer warranty to you as the purchaser if assignable However Wildfire disclaims all other warranties or conditions for items whether express oral implied or otherwise as to any matter whatsoever including but not limited to implied warranties or conditions of merchantable quality or fitness for a particular purpose and those arising by statute or otherwise in law or form a course of dealing usage of trade B Warranty on Products Manufactured by or for Wildfire Wildfire offers a limited warranty as described fully below Among other things it also specifically disclaims liability for e Failure of the product if it is used for other than its intended purpose e Changes or modifications not expressly approved by Wildfire e Unreasonable use supplemental damage or damage to the product not resulting from defects in material or workmanship e Any personal injury damages of any kind resulting from misuse improper installation negligence repair or alteration of the product No Consequential Damages Some states and provinces do not allow the exclusion or limitation of incidental or consequential damages so the above limitation
13. com e 1 800 426 5207 TROUBLESHOOTING CHART ENGINE DOES NOT START OR STARTS MOMENTARILY THEN STOPS Possible cause Remedy Fuel supply tank empty Refill fuel tank Leak in fuel supply system Tighten or replace fittings Engine oil level below the safe limit Refill to outer edge of oil filler hole Spark plug fouled or defective Clean or replace Stop switch or cable shorted Inspect and or change Weak or intermittent spark Inspect and or change Ignition coil faulty or with incorrect air gap Inspect ignition coil and or readjust Dirty fuel filter Inspect and clean Water or dirt in fuel system Drain flush thoroughly Carburetor mountings loose or misadjusted Tighten mountings and or readjust ENGINE RUNS IRREGULARLY OR MISSES Possible cause Remedy Fuel supply tank empty Refill fuel tank Leak in fuel supply system Tighten or replace fittings Spark plug fouled or defective Clean or replace Weak or intermittent spark Inspect and or change Ignition coil faulty or with incorrect air gap Inspect ignition coil and or readjust Dirty fuel filter Inspect and clean Water or dirt in fuel system Drain flush thoroughly Carburetor mountings loose or misadjusted Tighten mountings and or readjust Air filter dirty Clean or replace Governor out of adjustment Readjust Valve clearance incorrect Readjust Excessive carbon deposits in the combustion chamber Decarbonise Possible cause Remedy Check whether the choke
14. cription 12 2D Sha t sub assembly includes parts with and 7 items 12 2E Shaft sub assembly includes parts with 4 items 22 12 50 Locknut stainless 1 23 12 49 Lockwasher stainless 1 24 12 11 Impeller 1 25 12 9 Distributor 2 26 12 7 Impeller 3 27 12 6 Distributor 1 28 B 5312 4 O ring for drive bushing 1 29 12 4AS Drive bushing includes 1 B 5312 4 30 12 48 Double row ball bearing 1 31 12 3 Retaining ring 1 for bearing 32 12 25 Mach screw flat 6 Phillips stainless 33 12 27 O ring 2 34 12 26 O ring 1 35 12 17 Coupling buffer 1 36 12 2C Shaft riveted assembly 1 Items 12 3 12 4AS 12 6 12 7 12 9 and 12 11 are available with a corrosion resistant coating for salted water of foam application Just add the letters CR at the end of the part number Mini Striker Service Manual TT Ti Masai LL Ss hy eS d gt gt S de LE Pe Se na e A Es Le d 1 Ae ec X S ON ge E SE g E de La oe e K Ke L a A EEN ey ae A SG R a S bk e rae oe a CH a E 1 aS SR FE e SE NY Gg ke 0 d Berg See 17 WATERAX yves Mini Striker Service Manual www wildfire env
15. ctory ee E running condition if when using the various calibrated tips the pressures agree with the with and 7 items following chart 12 2E Shaft sub assembly includes parts with 4 items Ref Part Description 22 12 50 Locknut stainless 1 23 12 49 Lockwasher stainless 1 24 12 11 Impeller 1 25 12 9 Distributor 2 26 12 7 Impeller 3 27 12 6 Distributor 1 28 B 5312 4 O ring for drive bushing 1 29 12 4AS Drive bushing includes 1 B 5312 4 30 12 48 Double row ball bearing 1 31 12 3 Retaining ring 1 for bearing 32 12 25 Mach screw flat 6 Phillips stainless 33 12 27 O ring 2 on eee A l NOZZLE 1 2 7 16 3 8 5 16 1 4 1 8 35 12 17 Coupling buffer 1 12 7 mm 11 mm 8 mm 6 mm 3 mm 36 12 2C Shaft riveted assembly 1 Items 12 3 12 4AS 12 6 12 7 12 9 and 12 11 ae 145 150 psi 215 220psi 275 280psi 330 335 psi 2275 2310 psi 405 410 psi are available with a corrosion resistant coating for salted water of foam application Just add the RANGE 1000 1034 kPa 1482 1517 kPa 1896 1931 kPa 2275 2310 kPa 2586 2620 kPa 2792 2827 kPa letters CR at the end of the part number Governor system overspeeding protection may occur if GOVERNOR SYSTEM 1 Pump not primed properly e Suction hose and or pump body not completely filled with water e A bend in the suction hose located higher than the pump suction inlet
16. e connecting rod big end side clearance using a feeler gauge and compare with engine standard and service limit Measure the valve spring free length and compare with engine standard and service limit Measure the inlet and outlet valve stem OD and compare with engine standard and service limit Measure the inlet and outlet valve guide D and compare with engine standard and service limit Measure the inlet and outlet valve stem to guide clearance and compare with engine standard and service limit Clean the cylinder block thoroughly before reassembling Reassemble the piston as shown on the drawing and following the recommendation below a Ensure top ring white circumference is installed with chamfer facing up b Ensure second ring black circumference is installed with chamfer facing up c Do not interchange the top and second rings d After assembly check for smooth movement of piston rings e Stagger the piston ring end gaps 120 apart make sure it is not aligned with the piston pin f Stagger the side rail end gap to the right or left of spacer end gap mg Se Reassemble the inlet and outlet valves 32 33 34 Insert the piston inside the cylinder Clean the oil outlet valve and stopper plate Install the oil outlet valve and the stopper plate aligning the projection with the groove and chamfer in the cylinder block Reassemble the piston to connecting rod assembly ensure markings on the con
17. is open Open the choke fully Spark plug fouled or defective Clean or replace Weak or intermittent spark Inspect and or change Carburetor mountings loose or misadjusted Tighten mountings and or readjust Idle mixture screw misadjusted Adjust mixture screw Ignition coil faulty or with incorrect air gap Inspect ignition coil and or readjust Governor out of adjustment Readjust Excessive carbon deposits in the combustion chamber Decarbonise Possible cause Remedy Check whether the choke is open Open the choke fully Air filter dirty Clean or replace Carburetor main jet clogged Clean the main jet Spark plug fouled or defective Clean or replace Weak or intermittent spark Inspect and or change Carburetor mountings loose or misadjusted Tighten mountings and or readjust Idle mixture screw misadjusted Adjust mixture screw Excessive carbon deposits in the combustion chamber Decarbonise Muffler blocked or dirty Clean and or replace Governor out of adjustment Readjust Refer to HONDA GXH50 Shop Manual for more information 06 2011 06 2011 www wildfire env com e 1 800 426 5207 Mini Striker Se rvice Manual PUMP TEST KIT Testing Procedure The best way to check your pump unit is to make an actual performance test A test kit consisting of pressure gauge pressure gauge adapter 3 m 10 length of discharge hose a nozzle and a calibrated set of nozzle tips is available Your Mini Striker is in satisfa
18. n the FUEL VALVE LEVER the IGNITION SWITCH the THROTTLE LEVEL and the CHOKE LEVER To start Mini Striker unit 1 Fill fuel supply tank with recommended fuel grade 2 Do not forget to open fuel supply valve 3 Connect discharge hose nozzles etc to pump 4 Connect foot valve strainer to male end of suction hose then fill suction hose with water and connect to pump Use universal hose coupling wrench to tighten coupling firmly Do not allow foot valve strainer to rest on bottom of lake or riverbed Use a rope or other means to keep strainer at proper height approximately 30 cm 1 foot below water surface If strainer is too close to the water surface it will suck air and pump may lose prime Check strainer frequently to make sure that it is not clogged with moss leaves etc Do not lift strainer from water while the pump is operating 5 Move the FUEL VALVE LEVER to ONT position 6 Close choke if engine is cold 7 Turn the IGNITION SWITCH to ON position 8 Move throttle lever to 1 3 to 1 2 the full speed 9 Slowly turn engine until resistance past compression 10 Give starter rope several quick steady pulls until engine starts 11 Slowly open the choke and allow engine to warm up for at least 2 minutes before using full throttle DE SE FUEL The Mini Striker s engine is FILLER CAP precision fitted and if treated with normal reasonable care will give long trouble free service SPARK PLUG CHO
19. necting rod and the piston are aligned Make sure the oil dipper is facing the flywheel side Install the connecting rod cap and tighten connecting rod bolt to specified torque Apply a bead of 2 0 mm 0 08 in of liquid packing Three Bond 1216E or equivalent to cylinder block before reinstalling oil case Reinstall crankcase side cover then loosely tighten the bolts Tighten bolts to the specified torque in the numbered sequence shown Drive in the oil seal to the specified depth using proper tool WATERAX yves Mini Striker Service Manual www wildfire env com e 1 800 426 5207 0 120 mm 0 0047 in TORQUE VALUES PUMP END Pump shaft hex socket screw FAST 44 5 7 6 2 Nem 50 55 inch lbs 4 2 4 6 ft lbs Pump body hex head screw FAST 46 7 9 8 5 Nem 70 75 inch lbs 5 8 6 3 ft lbs Suction cover hex cap screw FAST 18 7 9 8 5 Nem 70 75 inch lbs 5 8 6 3 ft lbs Mounting board hex cap screw FAST 21 6 0 N m 52 inch lbs 4 3 ft lbs ENGINE Spark plug 12 0 Nem 108 inch lbs 9 ft lbs Carburetor drain bolt 4 5 Nem 40 inch lbs 3 3 ft lbs Crankcase side cover 7 5 Nem 65 inch lbs 5 4 ft lbs Carburetor drain screw 1 5 Nem 13 inch lbs 1 1 ft lbs Oil case bolt 7 5 Nem 65 inch lbs 5 4 ft lbs Carburetor drain knob 1 2 Nem 11 inch lbs 0 9 ft lbs Connecting rod bolt 6 0 Nem 52 inch lbs 4 3 ft lbs Governor arm nut 7 0 Nem 61 inch lbs 5 1 ft lbs Valve cover bolt 6 0 Nem 52 inch lbs 4
20. or performance of the unit To Remove Pump End from Engine 1 Remove hex cap screws 16 on suction cover 2 Remove suction cover 15 3 Unscrew impeller 11 from pump shaft while holding shaft 4 Remove shaft seal 9 5 Remove pump body screws 7 6 Pull pump body 6 from engine 7 Remove hex socket screw 12 from pump end shaft 8 Remove shaft 14 To Replace Pump End to Engine 1 Apply anti seize grease on engine shaft 2 Apply vaseline on O ring 10 and install on pump shaft 14 3 Install key 8 with pump shaft 14 on engine shaft 4 Apply some locktite to hex socket screw 12 and torque on pump shaft 5 Apply vaseline inside rubber seal 9A and place inside diameter at bottom of pump body 6 Install metallic seal 9B with the uniform surface up 7 Install pump body 6 on engine and tighten screws 7 and 23 8 Apply vaseline inside the carbon seal 9 9 Install carbon seal 9C and spring 9D on pump shaft 10 Apply anti seize grease on shaft threads and tighten impeller 11 11 Apply vaseline on suction cover 15 and torque screws 16 and 17 To Drain Pump It is recommended that the pump be drained after every use This is a MUST during cold weather to prevent damage to pump due to freezing 1 Remove discharge and suction caps 2 Drain pump by tilting and rotating pump unit several times 3 Replace discharge and suction caps 06 2011 06 2011 www wildfire env com e 1 800 426 5207 Des
21. ory SF or SG in this engine SAE 10W 30 is recommended for general use Other viscosity shown in the chart may be used when the average temperature in your area is within the recommended range SAE Viscosity Grades 30 20 10 0 10 20 30 40 C Ambient Temperature 06 2011 06 2011 www wildfire env com e 1 800 426 5207 OIL ALERT SYSTEM OPTIONAL OIL FILLER CAP DIPSTICK UPPER LIMIT 6 ee eee ER LOWER LIMIT PUMP UNIT WARNING Exhaust gas contains poisonous carbon monoxide Avoid inhalation of exhaust gas Never run the Mini Striker in a closed or confined area Mini Striker Service Manual The Oil Alert system is designed to prevent engine damage caused by an insufficient amount of oil in the crankcase Before the oil level in the crankcase can fall below a safe limit the Oil Alert system will automatically stop the engine the ignition switch will remain in the ON position If engine stops and will not restart check engine oil level before trouble shooting other areas 1 Place engine stopped in a level position 2 Removes oil filler cap dipstick and wipe it clean 3 Insert and remove dipstick without screwing it into filler neck 4 Check oil level shown on dipstick 5 If oil level is low fill to the edge of oil filler hole with the recommended oil 6 Reinstall the oil filler cap dipstick Controls There are only 4 controls which are used for normal operatio
22. peration by lightly pushing with a finger 13 With carburetor upright measure the distance between the float top and carburetor body when the float just touches the float valve Standard float height is 12 0 mm 0 47 in If out of specification replace the float 14 Reassemble float chamber and tighten set bolt securely check for gasoline leakage 15 Reinstall the fuel valve gasket valve lever lever spring and lever setting plate 16 Apply light coat of oil to O ring before reinstalling pilot jet 17 Reinstall carburetor in reverse order of removal AUN gt PILOT SCREW THROTTLE RETURN GOVERNOR ROD SPRING THROTTLE a STOP Re SCREW LEVER SETTING PLATE CARBURETOR INSULATOR PACKING CARBURETOR BODY 5 ages CAE aa CARBURETOR INSULATOR wus pee 7 CV ee ee T we ZG Iy d TA ae VALVE SEAT Ke NORMAL FLOAT VALVE MAIN NOZZLE LU CARBURETOR MAIN A FLOAT CHAMBER FLOAT CHAMBER TR ASKET DRAIN eey ag a NaS SEALING WASHER SEALING WASHER EI d d We SET BOLD WATERAX pes DRAIN Zo amp DRAIN SCREW 06 2011 06 2011 www wildfire env com e 1 800 426 5207 FUEL SYSTEM FUEL TANK CAP ETA Le FUEL TANK S SE ae C2 aoe Le FUEL TANK SEPARATOR eg RUBBER A 2 SETTING COLLAR 2 6 X 20 MM BOLT WASHER 2 FUEL FILTER _ TUBE CLIP FUEL TUBE Im 44 TUBE cup i H Kei T he VALVES FUEL TANK 4 STAY LOCKNUT
23. pplications etc SPECIFICATIONS The Mini Striker Pump end is a horizontal 1 stage centrifugal pump precision built and corrosion resistant Both the 38 mm 1 12 NPSH male suction and discharge connections are made to standard forestry thread specifications This small lightweight equipment is powered by the smallest and lightest one cylinder four cycle air cooled engine ball bearings used throughout equipped with rewind pull cord starter This engine meets the strict emissions standards of the US EPA and CARB 2000 regulations WARNING e The improper use of this pump could result in serious injuries Please read this entire manual before using your Mini Striker pump unit e Always wear eyes and ears protection when operating the pump unit CAUTION e Always check for sufficient oil quantity in crankcase before use Always use proper e Be alert and never touch the muffler guard when the engine is running Always allow unleaded gasoline with a enough time after stopping the unit for proper cooling of the muffler and surrounding pump octane rating of 86 or parts higher e Always use the proper unleaded gasoline with a pump octane rating of 86 or higher to assure suitable operation of the 4 cycles engine e Refuel engine with care Gasoline is extremely flammable and gasoline vapour can explode Refuel in a well ventilated area with the engine stopped Characteristics Maximum Performance Complete unit 19 3 lbs 8 75 kg Pressure Di
24. pression stroke Align the cut out in flywheel fin or the boss with alignment mark A on fan cover If the exhaust side opens when the cutout in the flywheel fin is in line with the alignment mark turn recoil starter pulley one turn and align marks Insert a feeler gauge between the rocker arm and the valve and measure its clearance Adjust if necessary as follows a Loosen adjustment screw lock nut and adjust valve clearance by turning adjusting screw b Hold adjusting screw with a socket wrench and tighten the lock nut to specified torque c Torque to 5 5 Nem 4 0 Ibfeft Recheck the valve clearance before reinstalling the removed parts in reverse order of removal apply a bead of 2 0 mm 0 08 in of liquid packing Three Bond 1207B or equivalent to cylinder block before reinstalling valve cover WATERAX yves Mini Striker Service Manual www wildfire env com e 1 800 426 5207 ROCKER ARMS AND PUSH RODS 1 Remove fuel tank fuel tank stay and carefully pry off LOCK NUT ROCKER ARM the valve cover if deformed replace it Zz 2 Remove the rocker arm shaft 3 Check for wear and bend at both ends of the push rod Replace if needed PAs 4 Reinstall push rod and carefully align into concave Scag in valve adjusting screw and in valve lifter 5 Readjust the valves and reinstall the removed parts FEELER GAUGE di MUFFLER 1 I PROTECTOR SPARK ARRESTER e wus A
25. s Check valve head for pitting and damage replace in necessary Insert a protective lining of thick paper or equivalent material inside the cylinder Attach a cleaning brush to an electric drill and clean combustion chamber Measure the piston skirt O D at a point 10 mm 0 4 in from bottom of skirt and 900 to piston pin bore and compare with engine standard and service limit Measure the cylinder LD at three levels perpendicularly and in parallel to piston pin Take the maximum reading of each measurement to determine the cylinder LD Compare with engine standard and service limit PACKING pn OIL FILLER CAP 3 OIL SEAL amp OIL CASE L OIL LEVEL SWITCH BOLT 3 ay AS 0 RING I SCREW CONNECTING ROD CAP Je STOPPER PLATE OIL DIPPER D Ne Sa OIL OUTLET VALVE CONNECTING ROD BOLT 2 CRANKSHAFT SC BE LOCK PIN j Lag OIL SEAL Sy CYLINDER BLOCK P Ei pe F t Pa E teg PIN 2 WASHER a GOVERNOR ARM 06 2011 06 2011 SECOND RING BLACK OIL RING SIDE RAIL COMBINATION 4 SPACER www wildfire env com e 1 800 426 5207 OIL CASE AND CRANKSHAFT cont d PISTON CONNECTING ROD ASSEMBLY TOP RING WHITE CIRCUMFERENCE Sy MARK SF Gr A Cie Les 120 ers L X J Le AS 4 AR CIRCUMFERENCE RING SIDE RAIL PISTON PIN CLIP 2 12 13 14 15 16 17 18 19 20 21 22 23 24 25 2
26. s Top Second Top Second Ring side clearance Ring end gap Small end I D Big end I D Big end oil clearance Big end side clearance Crank pin OD Valve clearance Stem O D Stem to guide clearance 0 015 0 050 mm 0 0006 0 0020 in 0 150 0 300 mm 0 0059 0 0118 in 10 006 10 017 mm 0 3939 0 3944 in 15 000 15 011 mm 0 5906 0 5910 in 0 016 0 038 mm 0 0006 0 0015 in 0 1 0 6 mm 0 004 0 024 in 14 973 14 984 mm 0 5895 0 5899 in 0 06 0 10 mm 0 0024 0 0039 in 0 09 0 13 mm 0 0035 0 0051 in 3 970 3 985 mm 0 1563 0 1569 in 3 935 3 950 mm 0 1549 0 1555 in 0 015 0 048 mm 0 0006 0 0019 in 0 050 0 083 mm 0 0020 0 0033 in 0 0362 in 0 600 mm 0 0236 in 10 050 mm 0 3957 in 15 040 mm 0 5921 in 0 100 mm 0 0039 in 0 8 mm 0 031 in 14 940 mm 0 5882 in 3 900 mm 0 1535 in 3 880 mm 0 1528 in 0 098 mm 0 0039 in 0 098 mm 0 0039 in xw eg Se Sr Valve springs Camshaft Camshaft roller Valve lifters Valve lifter roller Crankcase side cover Free length Cam height I D Bearing 5 020 5 050 mm 0 1976 0 1988 in O D 4 990 5 000 mm 0 1965 0 1969 in I D Bearing 5 005 5 025 mm 0 1970 0 1978 in O D 4 990 5 000 mm 0 1965 0 1969 in Camshaft Valve lifter roller Bearing LD Bearing LD am ln am 23 7 mm 0 93 in 27 97
27. s may not apply to you This statutory warranty gives you specific legal rights and you may have other rights which vary from state to state or province to province Wildfire offers a limited guarantee of all products manufactured by Wildfire to be free of defects in material and or workmanship for a period of one 1 year from date of invoice subject to use of such products strictly according to instructions Any product manufactured by or for us believed by you to contain a defect must be returned to Wildfire for examination and evaluation You are responsible for payment of transportation charges If after inspection by us or an expert appointed by us the product is in fact found to be defective Wildfire will repair or replace the defective product and reimburse the original buyer for transportation charges to and from our warehouse Limitation of Liability THE WARRANTY SPECIFIED HEREIN IS LIEU OF ANY AND ALL OTHER WARRANTIES EXPRESSED OR IMPLIED Wildfire hereby expressly disclaims any express or implied warranties of merchantability or of fitness for any particular purpose Wildfire s liability on any claim of any kind including negligence for any damage or loss including but not limited to personal injury or consequential damage arising out of connected with or resulting from this contract or from the manufacture lease sales delivery resale return repair maintenance handling or use of any product covered by or furnished under this sale
28. scharge Flow Height 15 40cm kPa psi L min IMP GPM US GPM Width 10 4 27cm 0 0 256 68 56 Length 1534 40cm 172 25 194 43 51 Pump end only 6 6 lbs 3 0 kg 345 50 120 26 32 Max engine power 2 5HP 1 8kW 517 75 29 6 8 Ignition Transistorised magneto 586 85 0 0 0 Spark plug CR5HSB NGK or U16FSR UB DENSO Consumption approx 0 9 L hour 0 20 IMP gal 0 24 US gal DIRECTIONAL All references to right side and left side of unit are made as they appear to operator when REFERENCES facing rewind starter thus the carburetor is on left side and the muffler is on right side Pump unit serial number is stamped on the side of cylinder head Engine serial number is SERIAL NUMBERS stamped on the cylinder block These serial numbers are the key to various design details pertaining to the original manufacture of each unit Therefore it is very important to specify serial numbers whenever ordering parts and tools or when requesting information Mini Striker Service Manual IMPORTANT STARTER OPERATING INSTRUCTIONS www wildfire env com e 1 800 426 5207 DO NOT run engine at full speed until thoroughly warmed up DO NOT run pump when dry DO NOT use suction hose without foot valve strainer Drain pump after every use The starter is an automatic rewind type simple and very reliable Proper operating technique will add many hours of life to starter rope and to starter internal mechanism Grasp handle firmly and pull slowly until re
29. shall in no case exceed the purchase price Wildfire shall not be liable for any penalty or for any special indirect or consequential damages including but not limited to any economic loss loss of revenue or loss of opportunity The foregoing warranty is in lieu of all other warranties express or implied including but not limited to any implied warranties of merchantability or fitness for a particular purpose Your exclusive remedy with respect to any and all losses or damages resulting from any cause whatsoever including our negligence shall be repair or replacement as specified above We shall in no event be liable for any consequential or incidental damages of any nature including without limitation damages for personal injury or damages to property and however occasioned whether alleged as resulting from breach of warranty or contract by us or our negligence or otherwise www wildfire env com 1 800 426 5207 Tech notes part lists and other documents can be found on our web site at www wildfire env com 16311 NE Cameron Blvd Portland OR USA 97230 Tel 800 426 5207 503 257 7900 Fax 503 257 7979 Wildfire Environmental Inc 1100 rue Norman street Suite 200 Lachine QC Canada H8S 1A6 Tel 800 426 5207 514 637 5572 Fax 514 637 3985 E mail info wildfire env com Distributed by WE MOVE WATER Wildfire Environmental USA Inc 950 Riverside Parkway Suite 50 West Sacramento CA USA 95
30. sistance past compression then continue to pull with a short vigorous stroke Pulling handle sideways causes excessive wear When engine starts retain grip on handle and allow rope to rewind slowly Note The rope should be replaced when wear is apparent Do not disconnect the ignition cable from the spark plug while engine is running likewise never operate the starter with the ignition cable disconnected To do so imposes a severe load on the coil and the possibility of rupturing the winding insulation Fuel Unleaded gasoline with an octane rating of 86 or higher Do not use stale or contaminated gasoline or an oil gasoline mixture Occasionally you may hear a light spark knock or pinging while operating under heavy loads This is no cause for concern If you hear those noises at a steady engine speed under normal load change brands of gasoline If spark knock or pinging persists see your Wildfire dealer Running the engine with persistent spark knock or pinging can cause engine damage This is misuse and the warranty does not cover parts damaged by misuse Recommended operating range of this engine is 15 C to 40 C 5 F to 104 F Lubrication Fill crankcase to the proper level indicated on the oil dipstick with good quality clean engine oil 0 25 litre 0 26 quart Oil recommendations Oil is a major factor affecting performance an service life Use any 4 stroke high quality detergent oil having API service categ
31. spark plug with a 5 8 spark plug wrench 3 Clean spark plug with a wire brush and inspect carefully If tip of insulator core is rough cracked broken or blistered or if electrodes are burned away to the extent that they are too thin and can not be satisfactorily adjusted to recommended gap replace with new plug 4 Reinstall spark plug Start threads one or two turns with fingers to avoid cross threading and torque to recommended specification 5 Reconnect spark plug cap A dirty air filter restricts airflow to the carburetor causing the engine to run irregularly and lose power due to an over rich mixture entering carburetor Therefore whenever filter becomes dirty or whenever any of the above conditions occur remove the filter element as follows 1 Press latch tabs on top of the air cleaner cover and remove cover 2 If required clean filter in warm soapy water rinse and dry thoroughly Then dip it in clean engine oil and squeeze out any excess oil Replace filter if damaged or cannot be cleaned thoroughly Clean the air cleaner cover making sure no dust or dirt enters in the engine 5 Reinstall the filter and the air cleaner cover ensuring cover seal is properly set in its groove A LA AIR CLEANER PACKING AIR CLEANER CASE BOLT AN ra Ca UPPER TABS ae ae STE COVER SEAL AIR CLEANER COVER LOWER TABS Mini Striker Service Manual www wildfire env com e 1 800 426 5207 CARBURETOR Operation wi
32. t Spark arrester Clean or replace 5 Valve clearance Inspect Adjust Fuel line Inspect Every 2 years NOTE 1 Change engine oil every 25 hours when used under heavy load or in high ambient temperature 2 Service more frequently when used in dusty areas 06 2011 06 2011 www wildfire env com e 1 800 426 5207 ENGINE OIL OIL FILLER CAP DIPSTICK K K Fe SEALING WASHER DRAIN PLUG SPARK PLUG AIR FILTER IMPORTANT DO NOT use gasoline to clean the air filter Mini Striker Service Manual Engine Overhaul Service Procedure 1 While the engine is warm remove the oil filler cap dipstick 2 Placed a suitable container under the drain plug and remove drain plug and sealing washer 3 Drain the used oil and then reinstall sealing washer and drain plug 4 With the engine in a level position fill to outer edge of oil filler hole with the recommended oil 5 Screw in the oil filler cap dipstick securely Operation with defective or wrong type plug will be reflected in Mini Striker engine performance as indicated by hard starting fouling missing overheating pre ignition or lack of normal power Therefore at time of each regular maintenance inspection and whenever check of ignition system indicates that spark plug is in need of attention remove for inspection and service as follows 1 Disconnect spark plug cap and remove any dirt around spark plug area 2 Remove
33. th defective carburetor is reflected in engine performance as indicated by engine not starting momentarily starting then stopping running irregularly or missing backfiring not properly idling or not developing normal power and or overheating Therefore at time of each regular maintenance inspection and whenever check of carburetor indicates it is in need of attention proceed as follows 1 With engine warm up and idling turn pilot screw to setting producing the highest idle speed Correct pilot screw opening is approximately 1 1 8 turns out from the fully closed position 2 Then turn throttle stop screw to obtain a standard idle speed of 2500 200 RPM If more than an adjustment is required proceed as follows Remove air cleaner and air return packing Disconnect throttle return spring Twist carburetor and disconnect governor rod from throttle valve Remove carefully the pilot jet and blow compressed air to clean passage Remove the lever setting plate lever spring and fuel valve lever to check the fuel valve gasket If worn or damaged replace it 5 Remove set bolt float chamber and float pin 6 Remove main jet 55 and main nozzle Blow compressed air to clean the passage 7 Remove spring and float valve Check spring and tip for wear 8 Check valve seat passage 9 Clean carburetor body by blowing compressed air 10 Reassemble float valve and spring operation 11 Reassemble main nozzle 12 Reassemble float and check o
34. th the timing mark on the CAMSHAFT DRIVE GEAR camshaft 13 Open the governor weight holder and insert the slider into the shaft Check for smooth operation VALVE LIFTER COLLAR AND BREATHER TUBE 14 Apply a bead of 2 0 mm 0 08 in of liquid packing Three Bond 1216E or VAINE METER ROLLER AIR CLEANER CASE equivalent to cylinder block before reinstalling crankcase side cover CAMSHAFT ERE 9 e NMAC A VALVE ge ite LIFTER 2 ALIGNMENT Zi MARK 2 Gi Is TIMING ke MARK gain re d GE WATERAX ys Mini Striker Service Manual VALVE LIFTER cont d OIL CASE AND CRANKSHAFT WATERAX per 16 17 18 Gr w mM E www wildfire env com e 1 800 426 5207 Reinstall crankcase side cover then loosely tighten the bolts Tighten bolts diagonally in 2 or 3 steps to specified torque Drive in the oil seal to the specified depth using proper tool Reinstall remaining component in reverse order of removal Wait 30 minutes after assembly before adding oil into crankcase Set the piston at top dead center and remove oil case screws Insert a screwdriver into concave provided and remove oil case Clean mating surfaces of oil case and cylinder block Disconnect piston from connecting rod assembly Remove inlet and outlet valves Push down and slide retainer sideways so the valve stem slips through the valve spring retainer Remove carbon deposits from inlet and outlet valves Make sure not to interchange the inlet and outlet valve
35. us systematic maintenance designed to MAINTENANCE prevent frequent or major breakdowns before they occur Maintenance on a fire pump unit should not be done on the fireline Therefore check your pump unit immediately after use Clean unit thoroughly Check and clean air filter element foam if required Remove any accumulated dirt or debris around the muffler and recoil starter Clean air intake casing and cover with compressed air Check the engine oil level Make sure cooling passages and cylinder fins are clean Make sure spark plug is cleaned and has proper gap setting Check stop switch for proper operation 9 Check throttle and choke control for proper operation 10 Check fuel line and fittings for signs of wear etc 11 Check starter cable and mechanisms and replace if it show excessive wear 12 Check pump end 13 Check carburetor adjustments 14 Operate pump unit and check general performance 15 Note any performance irregularities of any abnormal mechanical sounds 16 Make sure pump seal is not leaking 17 Make sure that all necessary tools spares and accessories are with pump unit It is strongly suggested to always have an extra spark plug on hand MAINTENANCE CHECK LIST So ea ee Perform at every indicated month or Every operation hour interval whichever 200 hrs comes first Engine oil Check Refill Replace Air filter Check Fuel tank and filter Clean Spark plug Clean adjus

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