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 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

Usage:

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Caterpillar: Confidential Yellow

NOTE: This Program can be administered either before or after a failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS4706" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and use "T" as the SIMS Description Code. If administered after failure, use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.

Termination Date

February 29, 2000

Problem

In certain situations the truck hitch may not work properly 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. If the truck hitch does not work properly it may cause damage to the truck tires and/or rims.

Affected Product
Model & Identification Number

AP-650B (9DN1-381)

BG-225C (5GN1-472)

NOTE: Machines equipped with option P/N 125-8105

AP-1000B (7HN1-195)

BG-260C8GN1-541)

NOTE: Machines equipped with option P/N 136-1661

AP-1055B (8BM1-425)

BG-2455B (6TN1-142)

AP-1050B (6ZN1-195)

BG-245C (4XN1-123)

NOTE: Machines equipped with option P/N 116-5903

Parts Needed

4 - 8T4223 washer

1 - 6V3966 Nipple As

1 - 6V0852 Dust Cap

4 - 7X0328 -13x3 bolt

2 - 1664654 Roller-Side

4 - 1664660 Spacer

1 - 1688609 Valve Group

Action Required

See the attached procedure.

Service Claim Allowances

NOTE: This is a 2-hour job.

Parts Disposition

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

Attach.

(1-Rework Procedure)

Rework Procedure

Install Truck Hitch Pressure Reducing Valve

1. Above left hand toe point (Oil/Radiator Cooler), remove truck hitch solenoid valve from valve manifold.

2. Install pressure reducing valve (p/n168-8609) with pressure adjusting screws facing inboard. Align dowel pin of the truck hitch solenoid valve with pressure reducing valve.

3. Install solenoid valve on pressure reducing valve with longer bolts.

4. Install Quick Disconnect (6V3966) with 1E2200E sealant and torque to 10 N·m (7.4 ftlb). Install dust cover 6V0852. Install Pressure gauge.

5. Start machine and adjust pressure to 1000 PSI.

6. Remove pressure gauge.

Install Truck Hitch Side Rollers

Use 4 - 7X-0328 Bolts

4 - 8T-4223 Washers

4 - 166-4660 Spacers

2 - 166-4654 Rollers

1. Remove Side Roller from Truck Hitch arm. Place the shaft and bearings from the old roller into the new Side Roller.

2. Install the new roller (p/n166-4654) with tapered end facing the front of the machine using 1 (p/n166-4660) spacer and 1 (p/n 8T4223) washer on each end.

3. Torque the (p/n7X0328) bolts to 105 ± 20 N·m (75 ± 15 ft lbs).

4. Repeat process on the other side roller.