Gravely 992111 Owner'S And Operator'S Manual Download Page 23

GB - 27

2. Place a 1/2-inch ratchet driver into square hole in idler 

pulley. 

3. While pulling idler pulley away from unit, remove 

transmission belt from idler pulley. 

4. Slowly release the tension on idler pulley until all the 

tension is removed from spring.

5. Remove transmission belt from crankshaft pulley and 

two hydrostatic pump pulleys.

Installation (Figure 23)

1. Install the new transmission belt on two hydrostatic 

pump pulleys and crankshaft pulley.

2. Place 1/2-inch ratchet driver into square hole in idler 

pulley.

3. While pulling idler pulley away from unit, install 

transmission belt on idler pulley.

4. Slowly release the tension until idler pulley is firmly 

against transmission belt.

STEERING CONTROL NEUTRAL 
ADJUSTMENT

If the steering levers do not line up (match) or the unit has 
excessive creeping when the steering levers are in neutral, 
adjust as follows.

Adjusting the Steering Levers to Line Up (Match) 
(Figure 24)

1. Shut off engine. Engage parking brake. Remove the 

ignition key. 

2. Place unit in the service position (see SERVICE 

POSITION on page 20).

3. Loosen damper locknut on the same side as the 

steering lever to be adjusted. 

4. Loosen brake interlock on the same side as steering 

lever to be adjusted.

5. Loosen tie rod jam nut and turn tie rod until steering 

levers are aligned.

6. Tighten jam nut on tie rod, tighten brake interlock and 

tighten damper locknut.

Eliminating Excessive Creeping of the Unit 
(Figure 24))

1. If hydraulic system is cold, run unit for a minimum of five 

minutes, then shut off engine.

2. With the unit up to and facing a wall, jack the unit up so 

that both drive wheels are off the ground.

3. Start the engine and release the parking brake.

4. Move the steering levers from Forward to Reverse 

several times to make sure controls are free. Then 
return steering levers to neutral position.

5. Check wheel(s) for movement.

6. Shut off engine.

NOTE: The right and left steering levers are adjusted the 
same way. To access the tie-rod, place unit in the service 
position.

7. Adjust tie-rod(s):

If the wheel is moving in a forward direction:

OF3300

1

1. Square Hole
2. Idler Pulley
3. Crankshaft Pulley
4. Transmission Belt

5. Hydrostatic Pump 

Pulleys

6. Spring

Figure 23

2

3

5

4

6

WARNING: This adjustment requires operating the 
engine and opening the hood. Use extreme care to 
avoid contact with moving parts and hot surfaces. 
Be sure rear of unit is well supported and secure 
before starting engine.

1. Damper Locknut
2. Damper
3. Tie-Rod Jam Nut
4. Tie-Rod 

5. Steering Lever
6. Brake Interlock
7. Hydrostatic 

Transmission

Figure 24

OF3381

1

2

3

4

5

6

7

3

Summary of Contents for 992111

Page 1: ...17 26hp PM260M XDZ 992121 27hp PM260M XDZ 992123 31hp PM272H XDZ 992124 26hp PM272H XDZ 992125 27hp PM252M XDZ 992126 27hp PM272H XDZ 992127 25hp PM252M 992128 25hp PM252H 992129 27hp PM252H 992130 26...

Page 2: ...ry or death arising out of the use of unauthorized replacement parts DISCLAIMER Gravely reserves the right to discontinue make changes to and add improvements upon its products at any time without pub...

Page 3: ...e operator REQUIRED OPERATOR TRAINING Original purchaser of this unit was instructed by the seller on safe and proper operation If unit is to be used by someone other than original purchaser loaned re...

Page 4: ...engranar antes de usar Tenga conocimiento de funciones y localizaciones de todos los controles Never allow operation by untrained persons TO AVOID SERIOUS INJURY OR DEATH POUR EVITER LES BLESSURES GR...

Page 5: ...er Operator manual and other training material If the operator or the mechanic cannot read the manual it is the owner s responsibility to explain it to them Only the user can prevent and is responsibl...

Page 6: ...gage PTO while raising attachment or when attachment is in raised position DO NOT operate at too fast a rate DO NOT change engine governor settings or over speed engine Slow down before turning DO NOT...

Page 7: ...inal ALWAYS disconnect negative cable FIRST and positive cable SECOND ALWAYS connect positive cable FIRST and negative cable SECOND Explosive Gases from battery can cause death or serious injury Poiso...

Page 8: ...vers into the operating position Re install spacers bolts and nuts Tighten hardware securely figure 3 Place Discharge Chute in Operating Position Prior to operating the unit remove the discharge chute...

Page 9: ...nnect negative battery cable to battery see Battery Removal and Installation on page 21 and perform steps 2 through 4 in the installation section Check Blade Level and Blade Pitch See Leveling the Mow...

Page 10: ...3 125 126 136 137 138 20 Ignition Switch 21 Coolant Temperature Gauge 992121 123 125 126 136 137 138 22 Hour Meter 23 Oil Pressure Light 24 Charging System Light 25 Throttle Lever 26 Fuel Water Separa...

Page 11: ...l level See TROUBLESHOOTING on page 31 or refer to Engine Manual for details Oil Pressure Coolant Temperature Light 992113 117 124 130 134 135 139 Indicates when engine oil pressure is low or engine c...

Page 12: ...forward To raise 2 Move mower lift lever rearward Cylinder Stops 992123 124 126 128 129 132 133 135 137 138 139 Ensure the same cutting height after raising mower deck to clear an obstacle Cylinder st...

Page 13: ...nstructions 4 Check Tire Pressure See SPECIFICATIONS on page 34 for correct tire pressure 5 Check Hydraulic Fluid Level 6 Adjust Seat Be sure all controls can be reached safely from operator s positio...

Page 14: ...n Shut off PTO 2 Move throttle lever to the slow position 3 Engage parking brake MOVING UNIT MANUALLY IMPORTANT Never tow unit 1 Place unit in the service position see SERVICE POSITION on page 20 2 Tu...

Page 15: ...raulic Oil Level See Checking Hydraulic Oil Level on page 29 Check Tires See SPECIFICATIONS on page 34 for correct tire pressure Clean Unit Clean engine battery seat mower deck etc of dirt and debris...

Page 16: ...maged fasteners Tighten all nuts and bolts to their correct torque value Check All Belts Replace worn or deteriorated belts Check mower drive belt See MOWER DRIVE BELT REMOVAL on page 26 for belt loca...

Page 17: ...brush Rinse with a weak baking soda solution 3 Connect positive cable first then negative cable 4 Coat terminals with dielectric grease or petroleum jelly Charging the Battery Figure 10 Follow First A...

Page 18: ...des to prevent rotation 2 Remove bolts washers and mower blades from spindle shafts Installation Figure 11 1 Install mower blades washers and bolts on spindle shafts 2 Tighten bolts to 115 125 lbf ft...

Page 19: ...eck MOWER DECK REMOVAL NOTE Only remove PTO belt from electric clutch 1 Remove PTO belt from electric clutch see PTO BELT REMOVAL on page 25 NOTE Perform steps 2 and 3 for mechanical lift mower decks...

Page 20: ...nt of the deck Front position in figure 17 and between the ground the cutting edge of the left and right blades at the rear of the deck Rear position in figure 17 9 The cutting edge at the front of th...

Page 21: ...ctric clutch idler pulleys and blade spindle pulleys 2 Place 1 2 inch driver and ratchet extension into square hole in PTO belt idler 3 While pulling PTO belt idler towards the rear of unit install PT...

Page 22: ...128 129 130 131 132 133 134 135 139 145 Removal Figure 22 1 Remove PTO belt from electric clutch see PTO BELT REMOVAL on page 25 2 Remove clutch anchor 3 Slowly release the tension on the hydro pump...

Page 23: ...as steering lever to be adjusted 5 Loosen tie rod jam nut and turn tie rod until steering levers are aligned 6 Tighten jam nut on tie rod tighten brake interlock and tighten damper locknut Eliminatin...

Page 24: ...Remove spacer handle and eccentric spacer from steering lever NOTE Position the right and left handles at the same height 2 Install spacer handle and eccentric spacer in the appropriate height positio...

Page 25: ...s Use Mobil 1 Extended Performance 15W50 Synthetic Oil for best component life 1 Clean around dipstick cap and dipstick Remove dipstick 2 Place container under oil filter to catch oil 3 Remove oil fil...

Page 26: ...ear breakage or damage Keep all nuts bolts and screws properly tightened and know unit is in safe working condition Store unit in a cool dry protected area LONG TERM Clean unit thoroughly with mild so...

Page 27: ...separator light is on for models 992121 123 125 126 136 137 138 1 Fuel water separator filter dirty or damaged 1 Clean or replace fuel water separator filter Refer to Engine Manual Water temperature g...

Page 28: ...0 Lawn Striper Kit 79100800 52 Inch Discharge Cover Kit 79206800 60 Inch Discharge Cover Kit 79206900 72 Inch Discharge Cover Kit 79205200 24 x 12 12 Bar Style Tire Kit 79202200 Liftmaster Kit 992123...

Page 29: ...Inch PTO Drive Belt Kohler Kawasaki Vertical Shaft 07200036 1 52 Inch Right Hand Mower Drive Belt Kohler Kawasaki Vertical Shaft 07200038 1 60 Inch Right Hand Mower Drive Belt Kohler Kawasaki Vertical...

Page 30: ...Type Refer to Engine Manual Fuel Tank Capacity gal L 13 49 Transmission Type Hydrostatic Drive Transmission Oil Mobil 1 Extended Performance 15W50 Synthetic Oil Hydraulic System Capacity qt L 4 5 4 3...

Page 31: ...Transmission Type Hydrostatic Drive Transmission Oil Mobil 1 Extended Performance 15W50 Synthetic Oil Hydraulic System Capacity qt L 5 4 7 4 5 4 3 5 4 7 3 5 3 3 4 3 8 Hydraulic Oil Filter Yes Size and...

Page 32: ...gal L 13 49 Transmission Type Hydrostatic Drive Transmission Oil Mobil 1 Extended Performance 15W50 Synthetic Oil Hydraulic System Capacity qt L 3 5 3 3 4 3 8 3 5 3 3 4 3 8 Hydraulic Oil Filter Yes S...

Page 33: ...13 49 Transmission Type Hydrostatic Drive Transmission Oil Mobil 1 Extended Performance 15W50 Synthetic Oil Hydraulic System Capacity qt L 3 5 3 3 4 3 8 3 5 3 3 Hydraulic Oil Filter Yes Size and Weig...

Page 34: ...abor and parts except as noted below The duration of this warranty shall be ninety 90 days after the date of purchase or 1000 hours of use whichever comes first if any product is rented or leased 3 Ye...

Page 35: ...uine Ariens or Gravely brand service parts are not covered by this warranty Except as specifically warranted normal maintenance services and normal replacement items such as spark plugs oil oil filter...

Page 36: ...Ryan Street P O Box 157 Brillion WI 54110 0157 920 756 2141 Fax 920 756 2407 www gravely com The engine exhaust from this product contains chemicals known to the State of California to cause cancer bi...

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