Hystat Motors May Have Incorrectly Installed Gears On Certain 914G Wheel Loaders And It14G Integrated Tool Carriers Caterpillar


Hystat Motors May Have Incorrectly Installed Gears On Certain 914G Wheel Loaders And It14G Integrated Tool Carriers

Usage:

@media screen { div.divFooter { display: none; } } @media print { div.divFooter { position: fixed; bottom: 0; right: 0; } }
Caterpillar: Confidential Yellow

NOTE: This Program must be administered as soon as possible. When reporting the repair, use "PI3234" as the Part Number, "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description Code. Exception: If the repair is done after failure, use "PI3234" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

Completion Date

August 31, 1999

Termination Date

February 29, 2000

Problem

The 1103010, 1103011, 1103012 or 1103013 Gear may have been installed onto the hystat motor(s) incorrectly on certain 914G Wheel Loaders and IT14G Integrated Tool Carriers. This gives reduced tooth contact and can cause premature gear failure.

Affected Product
Model & Identification Number

Group 1

914G (7ZM443-476, 7ZM600-649)

IT14G (8ZM343-383, 8ZM500-512, 8ZM514-518, 8ZM520-523)

Group 2

914G (9WM1014-10829WM1299-1435, 9WM1437-1439, 9WM1443, 9WM1445-1448, 9WM1450-1466, 9WM1468, 9WM1470-1474, 9WM1477-1483)

IT14G (1WN666-763, 1WN899-983, 1WN987-988, 1WN990, 1WN992, 1WN995-1012, 1WN1015-1018)

Parts Needed

1 - 1U8846 Gasket Maker

Action Required

See the attached procedure.

Owner Notification

U.S. and Canadian owners will receive the attached Owner Notification.

Service Claim Allowances

NOTE: This is a 3-hour job.

NOTE: U.S. and Canadian Dealers Only - This Program does not qualify for a Type 2 SIMS Report.

Parts Disposition

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.

NOTE: MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.

Attach.

(1-Owner Notification)
(2-Rework Procedure)

Copy Of Owner Notification For U.S. And Canadian Owners

Rework Procedure

Group 1

1. Support the 1172192 (914G) or 1110365 (IT14G) Hystat Motor.

2. Remove the four 8T0348 Socket Head Bolts that secure the motor. Pull the motor out from the transfer gear case.

NOTE: Do not disconnect hystat lines. Pull the motor out from the transfer gearbox case.

3. Inspect the gear for correct installation. The gear is correctly installed when the smaller boss is closest to the motor.

4. If necessary, remove the 9X2021 Bolt securing the gear, reverse the gear to the correct orientation, and re-install. Tighten the 9X2021 Bolt to 300 ± 20 N·m (220 ± 15 ft lb).

5. Clean off the old gasket material from the motor and transfer gearbox case faces.

6. Re-install the motor using 1U8846 Gasket Maker. Tighten the 8T0348 Motor Mounting Bolts to a torque of 300 ± 20 N·m (220 ± 15 ft lb).

Group 2

1. Support the large 1110364 Hystat Motor.

2. Remove the four 8T0348 Socket Head Bolts that secure the motor. Pull the motor out from the transfer gearbox case.

NOTE: Do not disconnect hystat lines.

3. Inspect the gear for correct installation. The gear is correctly installed when the smaller boss is closest to the motor.

4. If necessary, remove the 9X2021 Bolt securing the gear, reverse the gear to the correct orientation, and re-install. Tighten the 9X2021 Bolt to a torque of 300 ± 20 N·m (220 ± 15 ft lb).

5. Clean off the old gasket material from the motor and transfer gearbox case faces.

6. Re-install the motor using 1U8846 Gasket Maker. Tighten the 8T0348 Motor Mounting Bolts to a torque of 300 ± 20 N·m (220 ± 15 ft lb).

7. Support the small 1347307 Hystat Motor.

8. Remove the four 0950670 Socket Head Bolts that secure the motor. Pull the motor out from the transfer gearbox case.

NOTE: Do not disconnect hystat lines.

9. Repeat steps 3 to 5 above.

10. Re-install the motor using 1U8846 Gasket Maker. Tighten the 0950670 Motor Mounting Bolts to a torque of 120 ± 20 N·m (90 ± 15 ft lb).

Caterpillar Information System:

Bolts Holding Cover To Rotor Drive Gear Group Need To Be Inspected To Make Sure That They Were Tightened To The Proper Torque On Certain PM465, PM565, And PM565B Cold Planers Bolts Holding Cover To Rotor Drive Gear Group Need To Be Inspected To Make Sure That They Were Tightened To The Proper Torque On Certain PM465, PM565, And PM565B Cold Planers
138-3208 Cable May Fail On Certain AP-650B, AP-1000B, AP-1050B, And AP-1055B Asphalt Pavers; And On Certain Barber-Greene BG-225C, BG-245C, BG-260C, And BG-2455C Asphalt Pavers Manufactured By Caterpillar 138-3208 Cable May Fail On Certain AP-650B, AP-1000B, AP-1050B, And AP-1055B Asphalt Pavers; And On Certain Barber-Greene BG-225C, BG-245C, BG-260C, And BG-2455C Asphalt Pavers Manufactured By Caterpillar
The 126-9340 Drum Bearings Need To Be Replaced On Certain CP-533C, CS-533C, CP-563C, CS-563C, And CS-583C Compactors The 126-9340 Drum Bearings Need To Be Replaced On Certain CP-533C, CS-533C, CP-563C, CS-563C, And CS-583C Compactors
Product Support Program For Replacement Of The Transmission Ecm On Certain 12H, 120H, 135H, 140H, 143H, 160H, And 163H Motor Graders Product Support Program For Replacement Of The Transmission Ecm On Certain 12H, 120H, 135H, 140H, 143H, 160H, And 163H Motor Graders
Product Support Program For Replacing Cracked Pulley Assemblies On The Crank And/Or Fan Drive Groups Of Certain D4E, D6E And D6G SR Tractors Product Support Program For Replacing Cracked Pulley Assemblies On The Crank And/Or Fan Drive Groups Of Certain D4E, D6E And D6G SR Tractors
The Ether Bottle Needs To Be Relocated On Certain D5M, D6M Tractors And 561M Pipelayers The Ether Bottle Needs To Be Relocated On Certain D5M, D6M Tractors And 561M Pipelayers
Product Support Program For Repairing The Fabricated Rear Wheel Assemblies On Certain 789B Trucks Product Support Program For Repairing The Fabricated Rear Wheel Assemblies On Certain 789B Trucks
The Bond Between The Steel And The Rubber On The 3Q7749 Seal May Allow Gas To Leak The Bond Between The Steel And The Rubber On The 3Q7749 Seal May Allow Gas To Leak
The Second Stage Conveyor May Creep On Certain PM565B Cold Planers The Second Stage Conveyor May Creep On Certain PM565B Cold Planers
Product Support Program For Reworking The Rear Axle Bolted Joints On Certain 826G Compactors And 980G Custom Product Landfill Machines Product Support Program For Reworking The Rear Axle Bolted Joints On Certain 826G Compactors And 980G Custom Product Landfill Machines
Brake Pressure Gauge Needs To Be Removed From Certain Ap-1000B And Ap-1055b Asphalt Pavers; And On Certain Barber-Greene BG-260C And BG- 2455C Asphalt Pavers Manufactured By Caterpillar Brake Pressure Gauge Needs To Be Removed From Certain Ap-1000B And Ap-1055b Asphalt Pavers; And On Certain Barber-Greene BG-260C And BG- 2455C Asphalt Pavers Manufactured By Caterpillar
The Slope Sensor Needs To Be Inspected And The Grade Control Boxes Need To Be Reworked To Configuration 3.9 On Certain AP-650B, AP-1000B, AP1050B, And AP-1055B Asphalt Pavers; And On Certain Barber-Greene BG-225C, BG-245C, BG-260C, And BG-2455C Aspha The Slope Sensor Needs To Be Inspected And The Grade Control Boxes Need To Be Reworked To Configuration 3.9 On Certain AP-650B, AP-1000B, AP1050B, And AP-1055B Asphalt Pavers; And On Certain Barber-Greene BG-225C, BG-245C, BG-260C, And BG-2455C Aspha
Product Support Program For Reworking The Truck Hitch On Certain AP-650B, AP-1000B, AP-1050B, And AP-1055B Asphalt Pavers; And On Certain Barber-Greene BG-225C, BG-245C, BG-260C, And BG-2455C Asphalt Pavers Manufactured By Caterpillar Product Support Program For Reworking The Truck Hitch On Certain AP-650B, AP-1000B, AP-1050B, And AP-1055B Asphalt Pavers; And On Certain Barber-Greene BG-225C, BG-245C, BG-260C, And BG-2455C Asphalt Pavers Manufactured By Caterpillar
The Lift Cylinder Rod Could Experience A Weld Failure On Certain 928G Wheel Loaders And IT28G Toolcarriers The Lift Cylinder Rod Could Experience A Weld Failure On Certain 928G Wheel Loaders And IT28G Toolcarriers
Product Support Program For Replacing The 136-8340 Gauge On Certain AP-650B, AP-1000B, AP-1050B, And AP-1055B Asphalt Pavers; And On Certain Barber-Greene BG-225C, BG-245C, BG-260C, And BG-2455C Asphalt Pavers Manufactured By Caterpillar Product Support Program For Replacing The 136-8340 Gauge On Certain AP-650B, AP-1000B, AP-1050B, And AP-1055B Asphalt Pavers; And On Certain Barber-Greene BG-225C, BG-245C, BG-260C, And BG-2455C Asphalt Pavers Manufactured By Caterpillar
Product Support Program For Installing A New Feeder Sensor And Mounting Block On Certain AP-650B, AP-1000B, AP-1050B, And AP-1055B Asphalt Pavers; And On Certain Barber-Greene BG-225C, BG-245C, BG-260C, BG-2455C Asphalt Pavers Manufactured By Caterpi Product Support Program For Installing A New Feeder Sensor And Mounting Block On Certain AP-650B, AP-1000B, AP-1050B, And AP-1055B Asphalt Pavers; And On Certain Barber-Greene BG-225C, BG-245C, BG-260C, BG-2455C Asphalt Pavers Manufactured By Caterpi
Product Support Program For Addition Of Purging Lines To Feeder Hydraulic Manifold On Certain AP-650B, AP-1000B, AP-1050B, And AP-1055B Asphalt Pavers; And On Certain Barber-Greene BG-225C, BG-245C, BG-260C, And BG-2455C Asphalt Pavers Manufactured B Product Support Program For Addition Of Purging Lines To Feeder Hydraulic Manifold On Certain AP-650B, AP-1000B, AP-1050B, And AP-1055B Asphalt Pavers; And On Certain Barber-Greene BG-225C, BG-245C, BG-260C, And BG-2455C Asphalt Pavers Manufactured B
Product Support Program For Tandem Oscillation Housing Lip Seal Leaks/Oscillation Housing Can Be Damaged On Certain 24H Motor Graders Product Support Program For Tandem Oscillation Housing Lip Seal Leaks/Oscillation Housing Can Be Damaged On Certain 24H Motor Graders
Product Support Program For Engine Cover Rework On Certain AP-1050B And AP-1055B Asphalt Pavers; And On Certain Barber-Greene BG-245C And BG-2455C Asphalt Pavers Manufactured By Caterpillar Product Support Program For Engine Cover Rework On Certain AP-1050B And AP-1055B Asphalt Pavers; And On Certain Barber-Greene BG-245C And BG-2455C Asphalt Pavers Manufactured By Caterpillar
Product Support Program For Installing An Asphalt Shield On Certain AP-1055B Asphalt Pavers And On Certain Barber-Greene BG-2455C Asphalt Pavers Manufactured By Caterpillar Product Support Program For Installing An Asphalt Shield On Certain AP-1055B Asphalt Pavers And On Certain Barber-Greene BG-2455C Asphalt Pavers Manufactured By Caterpillar
MPC-10 Propel Module Needs To Be Updated On Certain AP-650B, AP-1000B, AP-1050B, And AP-1055B Asphalt Pavers; And On Certain Barber-greene BG-225C, BG-245C, BG-260C, And BG-2455C Asphalt Pavers Manufactured By Caterpillar MPC-10 Propel Module Needs To Be Updated On Certain AP-650B, AP-1000B, AP-1050B, And AP-1055B Asphalt Pavers; And On Certain Barber-greene BG-225C, BG-245C, BG-260C, And BG-2455C Asphalt Pavers Manufactured By Caterpillar
Service Letter Cancellation Service Letter Cancellation
After Product Support Program For Installing A New Flow Control Valve On Certain 924F Wheel Loaders And IT24F Integrated Toolcarriers After Product Support Program For Installing A New Flow Control Valve On Certain 924F Wheel Loaders And IT24F Integrated Toolcarriers
Service Letter Cancellation Service Letter Cancellation
Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.