Gravely 985103 Service Manual Download | Manualshive

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9.15 ROBIN ENGINES

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Summary of Contents for 985103

Page 1: ...Service Manual Models 985103 104 105 107 115 117 Professional 2 WheelTractor 08483800 08 00 Printed in USA...

Page 2: ...Installation 5 17 5 6 Engine Maintenance 5 17 5 7 Engine Storage 5 17 Section 6 Steering Controls 6 18 6 1 Handlebar Assembly 6 18 6 2 Steering Brakes Optional 6 19 6 3 Adjusting Brakes 6 19 6 4 Power...

Page 3: ...rm Record those numbers below and transfer the label from the product registration to place indicated below Use these numbers whenever parts or service is required 1 4 UNAUTHORIZED REPLACEMENT PARTS U...

Page 4: ...equipment in good condition Maintain it as directed in this manual Check all hardware at regular intervals Use only Gravely accessories attachment and replacement parts Do not overspeed the engine Do...

Page 5: ...ever in the neutral N position Check the operation of the operator presence controls before operating the tractor With either the PTO or the direction control lever engaged the engine should run only...

Page 6: ...s 4 7 L Cooling Air Air Air Air Air Filter Dual Element with PreCleaner Dual Element with PreCleaner Dual Element with PreCleaner Dual Element with PreCleaner Lubrication Splash System Splash System S...

Page 7: ...tem Oil Type See Engine Manual See Engine Manual See Engine Manual See Engine Manual Oil Capacity 2 5 pts 1 2 L 3 0 pts 1 4 L 2 5 pts 1 2 L 2 5 pts 1 2 L Oil Filter Spin on oil filter Spin on oil filt...

Page 8: ...s 1 0 L Oil Filter Spin on oil filter Spin on oil filter Spin on oil filter Spin on oil filter Charging System 12 volt 15 amp 12 volt 15 amp 12 volt 16 amp 13 volt 11 5 amp Transmission Type All gear...

Page 9: ...g Air Air Filter Dual element Lubrication Splash Type Oil Type See Engine Manual Oil Capacity 5 qts 4 7 L Oil Filter Spin on filter Charging System 12 volt 12 5 amp Transmission Type Gear transmission...

Page 10: ...rol Lever 2 Steering Brake Handlebar Optional 3 Gear Shift Lever Hi Low Gear 4 Operator Presence Control 5 Choke Control Knob Models with Briggs Stratton Engines 6 PTO Control 7 Ignition Switch 8 Kick...

Page 11: ...stick indicates that the oil level is correct See specification Install the filler plug and dipstick 4 4 FORWARD REVERSE CLUTCH ADJUSTMENT After 25 hours of operation check the adjustment of the forwa...

Page 12: ...down position Loosen the jam nuts on the right and left brake rod assemblies Figures 2 3 Turn the adjusting nuts until the brake handle cross bar is parallel with the instrument panel Figure 1 Move t...

Page 13: ...is across from it on the plate Continue tightening the bolts in this sequence until all the bolts are tightened Make sure the trunnion block is on the shipper shaft and held in place by the dog The do...

Page 14: ...bolt next to one which was just tightened The bolts should be tightened in a cross sequence that is by tightening one bolt then tightening the bolt which is across from it on the plate Continue tight...

Page 15: ...2 Incorrect grade of fuel 43 Faulty suction pipe 2 Bad electrical connection 23 Sticking throttle restricted movement 44 Choked oil filter 3 Faulty starter motor 24 Exhaust pipe restriction 45 Bad sol...

Page 16: ...e oil filter 11 Clean the oil filter port and install a new oil filter according to the instructions on the oil filter Fill with new oil to the full mark on the dipstick 12 Start and run the engine fo...

Page 17: ...ily Check the cooling system every 25 hours Clean all of the grass and other material from the cooling fins and intake screen of the engine If necessary remove the engine shrouds to clean the engine S...

Page 18: ...as six marks on the head See Figure 11 4 Reassemble the Swiftamatic control lever linkage and connect the wiring harness 5 Mount the Hi Lo gear control handle assembly and hand lever pivot to the left...

Page 19: ...he tractor and adjust until one has the desired tension for the right brake Tighten the jam nuts 6 3 ADJUSTING BRAKES After each use wash dirt from the brakes with water Each day before operating chec...

Page 20: ...rt the rod into the slot of the brake handlebar weldment Place the carriage bolt through the brake handle and put two nylon washers on the bolt between the handle and the handlebar weldment Push the b...

Page 21: ...Plate 656 x 1 312 x 095 Flat Washer E Ring 9 Connect the brake link rod to the pivot plate and the cam lever arm Retain with a 406 x 812 x 065 flat washer and a 09 x 75 cotter pin at each end 10 Slide...

Page 22: ...cks function as described in the owner s manual NOTE Slight adjustment of the PTO rod length may be necessary to achieve proper operation 6 5 RANGE SHIFT CONTROL TWO SPEED AXLE Figure 15 1 Tie Rod 2 B...

Page 23: ...tion valves 23 Inspect implement relief valve 44 Gears improperly installed 3 Inspect charge check valves 24 Inspect charge pump 45 Forks rod assembly incorrectly installed 4 Incorrect grade of lubric...

Page 24: ...are scored or out of round replace gears and pins 3 Check internal gear teeth for wear 4 If friction surface of clutch cup is worn or damaged replace cup 5 Check the friction surfaces of the reverse c...

Page 25: ...by hand The other wheel should turn in the opposite direction Check for tightness and rough spots while turning 7 7 DIFFERENTIAL REMOVAL 1 Drain oil from transmission 2 Raise tractor and remove wheels...

Page 26: ...ain pinion bearing spacer and snap ring On the other two arms assemble in this sequence spider gear race bearing spacer and snap ring 17 Tilt the differential mechanism and install it in the worm gear...

Page 27: ...ts to 20 ft lbs 27 Nm 21 For the 4 Speed Swiftamatic insert wire through one bolt head cross and insert through other then twist ends together securely Trim twist to 1 2 inch length Repeat securing ot...

Page 28: ...s plate on the front of advance casting At this point the dog gear and shifting eccentrics are exposed Figure 30 Proceed as follows 1 Check the dog block for wear 2 Examine shifter shaft for wear 3 Fo...

Page 29: ...eplace Idles Fast Lean 2 3 7 repair or replace Will Not Accelerate 1 6 11 12 14 15 16 repair or replace Over Rich Acceleration 1 15 repair or replace Hesitates 2 6 11 12 16 repair or replace Will Not...

Page 30: ...nects the fuel pump diaphragm chamber and transmits the impulses to the pump diaphragm The impulses actuate the diaphragm and the flap valves to lift the fuel from the fuel tank to the carburetor 8 3...

Page 31: ...art would cost and the results may not be as good 9 2 ELECTRICAL MEASUREMENTS In many electrical circuits there is some visible effect which indicates that the circuit is functioning properly A switch...

Page 32: ...unit first Keep batteries out of reach of children ALWAYS follow information provided on battery by battery manufacturer Lead acid batteries generate explosive gases Severe chemical burns can result f...

Page 33: ...ing is a common cause of battery failure Electrolyte Level Every 25 hours of operation check electrolyte level of each cell by removing caps one at a time The electrolyte level should be at level indi...

Page 34: ...Jump starting battery charging or replacement is required when the starter motor will not crank the engine The unit used for jump starting should have a 12 volt battery with at least 500 cold crankin...

Page 35: ...inal to ground switch case Meter should show open circuit infinite resistance Variation from test results described indicates a defective switch Ignition Switch NOTE Refer to the wiring diagram of the...

Page 36: ...opening or disconnecting the wiring Once a fuse blows or melts it must be discarded and replaced with a new fuse of the same value Since the function of the fuse is to protect the circuit NEVER attemp...

Page 37: ...4 5 6 7 8 9 10 1 Steering Brake Harness 2 Handlebar Wiring Harness 3 Switch 4 Solenoid 5 Wiring Harness 6 Relay 7 Hourmeter 8 Ignition Switch 9 Fuse 10 Interlock Open Switch Robin Engine Briggs Strat...

Page 38: ...00 87 87A 86 85 30 NOT ENERGIZED 87 87A 86 85 30 ENERGIZED PTO Switch 08571800 ENAGED button out 1 2 1 2 FWD REV Switch 08571900 1 2 1 2 NEUTRAL button out FORWARD OR REVERSE button in Solenoid 034923...

Page 39: ...9 39 9 11 12 HP ELECTRIC START KOHLER...

Page 40: ...9 40 9 12 8 HP MANUAL START KOHLER...

Page 41: ...9 41 9 13 8 HP ELECTRIC START KOHLER...

Page 42: ...9 42 9 14 16 HP ELECTRIC START BRIGGS...

Page 43: ...9 43 9 15 ROBIN ENGINES...

Page 44: ...Gravely A division of Ariens Company 655 West Ryan Street P O Box 157 Brillion WI 54110 0157 920 756 2141 Fax 920 756 2407 www gravely com...

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