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 Argo Service Manual                          Engine System

Ontario Drive & Gear Limited.                                                                                             www.odg.com
PH. (519)- 662-2840  FAX  (519)- 662-2421

EN-1

SECTION  EN

Engine System

 Table of Contents

Briggs V Twin, Kawasaki  L/C  & Kohler Engine Photographs....... EN-2
General Instructions............................................................................. EN-3
Checking the Engine Oil....................................................................... EN-4
Recommended Engine Oil.................................................................... EN-4
Changing the Engine Oil...................................................................... EN-5
Draining the Engine Oil........................................................................ EN-5
Oil Filter Replacement..........................................................................EN-6
Refilling the Engine...............................................................................EN-7
Air Filter................................................................................................. EN-7
Spark Plugs............................................................................................ EN-7
Removing the Engine(Kawasaki FD620D L/C)..................................EN-8
Assembling the Engine to the Power Pack Frame (Kawasaki)......... EN-13
Installing the Engine............................................................................. EN-14
Removing the Engine(Briggs Models)................................................. EN-18
Installing the Engine (Briggs Models)................................................. EN-20
Removing the  Engine (Kohler Aegis) Supplement Pages................ EN-20A
Installing the Engine (Kohler Aegis) Supplement Pages.................. EN-25A

Summary of Contents for 670-33

Page 1: ...Oil EN 4 Changing the Engine Oil EN 5 Draining the Engine Oil EN 5 Oil Filter Replacement EN 6 Refilling the Engine EN 7 Air Filter EN 7 Spark Plugs EN 7 Removing the Engine Kawasaki FD620D L C EN 8 A...

Page 2: ...go Service Manual Ontario Drive Gear Limited www odg com PH 519 662 2840 FAX 519 662 2421 EN 2 Briggs Stratton V Twin OHV 16 18 23 H P Kawasaki FD620D Liquid Cooled Kohler Aegis 20 H P OHV 26H P Carbu...

Page 3: ...his her satisfaction that personal injury or vehicle damage will not result from the servicing procedure or tools selected All engine service work should be performed by a qualified mechanic Severe d...

Page 4: ...be between the marks If the level has dropped add oil to bring the level up to the FULL mark DO NOT OVERFILL EN 2 Do not run the engine if the oil level is above the FULL mark or below the ADD mark P...

Page 5: ...Argo Service Manual Engine System Ontario Drive Gear Limited www odg com PH 519 662 2840 FAX 519 662 2421 EN 5 Briggs Stratton API Service Class SE SF or SG...

Page 6: ...ation for Briggs Stratton and 20 hours of operation for the Kawasaki After the break in period change the engine oil every 50 operating hours or more frequently if the vehicle is operated in dusty or...

Page 7: ...in plug MAKE SURE it is properly tightened before refilling the engine 5 See Oil Filter Replacement Below PLEASE DISPOSE OF WASTE OIL PROPERLY TO CONSERVE OUR ENVI RONMENT Oil Filter Replacement Durin...

Page 8: ...ges to the Cylinder Heads Head composition spark plugs of the FD620D The newer spark plugs are longer and will cause damage if used in an older spec engine All ARGO engines are equipped with a foam pr...

Page 9: ...cess opening using an overhead hoist You may prefer to remove the transmission first before lifting engine and frame through the hood area 2 Locate and remove the engine access cover Photo EN 3 3 Sepa...

Page 10: ...f the engine 9 Remove the engine air filter cover and air element Photo EN 7 10 Remove the 7 fasteners securing the plastic base of the air filter housing Photo EN 8 EN 7 EN 8 When removing the 3 fast...

Page 11: ...steps 1 6 on page DE 3 models prior to C19672 or steps 1 2 on page DE 7 mod els from C19672 15 Disconnect the intake hose at the brake cooling duct Photo EN 11 16 Remove the front pivot mounting bolt...

Page 12: ...ng and master cylinder assembly to the transmission and remove them Photo EN 13 21 Disconnect the wiring at the igniter box which is mounted to the steering assembly Photo EN 14 EN 13 EN 14 22 Unfaste...

Page 13: ...f the idler shaft the other behind Photo EN 17 26 Loosen off the dash support and turn it 90 degrees Photo EN 18 28 Attach an overhead hoist to the front engine hook only This hook is located on the e...

Page 14: ...he engine to the frame These bolts are threaded into the engine block from below Photo EN 22 31 Using the overhead hoist remove the engine from the power pack frame Photo EN 23 EN 22 EN 23 If the engi...

Page 15: ...EN 24 IMPORTANT As the power pack is lowered into the vehicle position yourself inside the drivers compartment Lift up on the transmission and align the power pack frame with the vehicle main frame 4...

Page 16: ...ct seal at the radiator is properly seated back up against the face of the radiator assembly Photo EN 30 EN 30 8 Reconnect the hose at the brake cool ing duct 9 Perform the servicing procedure Install...

Page 17: ...ect the main engine wire harness located between the engine and transmis sion 16 Reconnect the starter cable at the electric starter and cover with the rubber boot 17 Secure the main engine harness to...

Page 18: ...ake Pads Hydraulic if necessary EN 33 EN 34 24 Reconnect the ignition system at the ig niter box 25 Reinstall the clutch guard Apply blue 242 LOCTITE to the threads of the 2 bolts that secure it to th...

Page 19: ...Perform the servicing procedure Removing the Firewall in section CS of this service guide 2 Remove the hood 3 Disconnect and remove the battery 4 Perform the servicing procedure Re moving the Air Inta...

Page 20: ...4 mounting bolts at the lower frame The engine is secured with 4 ny lon locknuts 19 Lift the engine out of the vehicle using an overhead hoist Photo EN 38 EN 37 EN 38 On vehicles manufactured prior to...

Page 21: ...t of holes is used for clutch offset and belt alignment Use the holes as illustrated in Photo EN 40 41 below 3 Reconnect the power to the electric starter Installing the Engine Briggs Models 1 Attach...

Page 22: ...semble the choke cable to the carburetor linkage Photo EN 42 9 Assemble the throttle cable to the carburetor linkage Photo EN 43 EN 42 EN 43 10 Reattach the ground wire running from the battery termin...

Page 23: ...ocedure Installing the Intake Duct Briggs Models in section DE of this service guide 16 Install the battery and reconnect battery terminals 17 Perform the servicing procedure Installing the Firewall i...

Page 24: ...General Information Argo Service Manual Ontario Drive Gear Limited www odg com PH 519 662 2840 FAX 519 662 2421 GI 28...

Page 25: ...Argo Service Manual Engine System Ontario Drive Gear ltd www odg com centaur 519 662 2840 FAX 519 662 2421 SECTION EN Supplement Pages...

Page 26: ...Engine System Argo Service Manual Ontario Drive Gear ltd www odg com centaur 519 662 2840 FAX 519 662 2421...

Page 27: ...gs between the tailpipe assembly and muffler Photo 1 2 Pull the assembly out through the hood area 1 2 2 Remove the heat deflector shield covering the muffler Photo 3 Disconnect All Wiring 3 Disconnec...

Page 28: ...ess plug ins at the front of the engine compartment and disconnect all wires Photo 8 7 8 7 Locate the starter at the front of the engine compartment and disconnect both red and black power wires from...

Page 29: ...e wrench is the rec ommended tool of choice Photo 16 This type of wrench is preferred for removing 3 of the 4 nylon locknut fasteners The exception is the fastener located at the rear left corner of t...

Page 30: ...not necessary Ensure all hoist chains or belts are secure and hooks are locked into place Keep all fingers and hands clear of the area from which the engine is being lifted 14 Attach the overhead hoi...

Page 31: ...oved EFI models will have an O2 sensor threaded into the muffler that will need to be removed as well Photo 22 18 Remove the hex head fastener securing the driver clutch to the PTO and slide the clutc...

Page 32: ...the key to the keyway of the PTO Photo 3 4 Slide the driver clutch on and up to the shoulder of the PTO Photo 4 1 2 3 4 5 Secure the driver with the hex head fastener Apply blue LOCTITE and Torque to...

Page 33: ...the lower radiator locating pins from dislodging from the rubber gromments under heavy vehicle application Damage can occur to both fan and shroud if this is not done Please note that later spec engin...

Page 34: ...e studs Once aligned properly the engine should just drop into place Do not force or hammer in any way Damage may occur to the threads of the mounting studs IMPORTANT Once the engine is seated into pl...

Page 35: ...l panel on the Kohler engine Photo 15 Insert the throttle cable into the correct hole Photo 16 14 15 16 14 Install the driven clutch Apply blue LOCTITE to the threads of the fastener and Torque to spe...

Page 36: ...connect the ground wire attached at the front of the engine to the valve cover fastener Photo 20 18 Locate the main wire harness plug ins at the front of the engine compartment and reconnect the main...

Page 37: ...odg com PH 519 662 2840 FAX 519 662 2421 24 25 22 Locate and install the tailpipe assembly Attach the connecting springs between tailpipe assembly and muffler Photo26 27 Feed the tailpipe assembly in...

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