A New Caterpillar Advanced Ride Management Seat Suspension Is Available For 770G, 772G, 773G, 775G, 777G Off Highway Trucks {7324} Caterpillar

A New Caterpillar Advanced Ride Management Seat Suspension Is Available For 770G, 772G, 773G, 775G, 777G Off Highway Trucks {7324}

Usage:

770G ECM

Off-Highway Truck/Tractor: 770G (S/N: RMA1-UP; TWA1-UP; KDH1-UP; ECM1-UP; ECX1-UP); 772G (S/N: RME1-UP; LTS1-UP; KEX1-UP; LTX1-UP); 777G (S/N: GT71-UP; T5A1-UP; TNM1-UP; RDR1-UP; T4Y1-UP)
Quarry Truck: 773G (S/N: MWH1-UP; JWS1-UP; T5S1-UP; T5T1-UP); 775G (S/N: T5F1-UP; RFM1-UP; MJS1-UP; T5W1-UP)

Introduction

A new Caterpillar advanced ride management seat suspension is available for 770G, 772G, 773G, 775G, 777G Off Highway Trucks.

A new seat suspension is available for certain Off Highway Trucks that will improve the ride when the machine is used in rough terrain or poorly maintained haul roads. The 440-6708 Seat Suspension Gp has an active damper and will prevent the seat from bottoming out during these road conditions.

Rework Procedure

Show/hide table

Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility.

Show/hide table

Table 1
Parts List
Item	Qty	Part
1	1	309-5353 Seat Base As⁽¹⁾
2	1	440-6708 Seat Suspension Gp
3	1	451-2165 Support As⁽²⁾
4	1	506-6700 Electronic Control Gp
5	1	548-4366 Plate As
6	2	5C-9553 Bolt
7	2	8T-0640 Bolt
8	4	9X-8256 Washer
9	1	169-7380 Bolt
10	1	173-7035 Slider Block Kit

Show/hide table

⁽¹⁾	Fits 773G, 775G, 777G Off Highway Trucks
⁽²⁾	Fits 770G, 772G Off Highway Trucks

Remove the existing seat and suspension from the machine cab but retain the mounting hardware. Refer to the Disassembly and Assembly Manual for your specific machine for more information.
Show/hide table

Illustration 1 g06249379

Side on view of seat base
Remove the existing seat base or riser and retain the hardware. Check the back of the seat base for a perforated section for punch out. Remove the perforated section and skip to Step 3. If the base does not have a perforated section, select the correct seat base for your machine. Use 451-2165 Support As for the 770G, 772G Off Highway Trucks. Use the 309-5353 Seat Base As for the 773G, 775G, and 777G Off Highway Trucks.
Show/hide table

Illustration 2 g06249562

Seat base
(4) 506-6700 Electronic Control Gp
(5) 548-4366 Plate As
(6) 344-1206 Bolt
(7) 8T-0640 Bolt
(8) 344-1200 Hard Washer
Install electronic control group (4) onto plate assembly (5). Using two Bolts (7) and two hard washers (8).
Insert the assembly into the seat base and secure the assembly with two bolts (6) and two hard washers (8).
Show/hide table

Illustration 3 g06249577

View inside machine cab
Install the seat base in the machine using the retained hardware.
Show/hide table

Illustration 4 g06255890

View from above
Fasten bolt (9) in center hole in rear of suspension top plate.
Show/hide table

Illustration 5 g06255893

front view of suspension group plate
(2) seat suspension group
Add slide pucks from slider block kit to notches in side of seat suspension group (2) plate.
Install seat suspension group (2) onto the seat base using the retained hardware.
Slide existing seat top onto seat suspension group (2) by aligning the channel in the back of the seat top to the front of the suspension, while pulling up on the fore/aft handle into position.
Slide seat to the center of the suspension so the slide pucks are aligned with the holes in the seat top. Tighten the slide pucks and adjust the tension by tightening set screws. Once the slide pucks are evenly tightened, the seat should slide easily. Refer to System Operation, RENR2165 , "Comfort Series Seat For Caterpillar Machines" for adjustment procedure.
Show/hide table

Illustration 6 g06255230

View from above (seat removed for clarity)
(10) Bolt and washes from slider block kit
Place 4F-4879 Bolt and two 203-7703 Hard Washers from slider block kit (10) in second hole in front of suspension top plate and tighten.
Show/hide table

Illustration 7 g06249592

View of seat and base
(2) 440-6708 Seat Suspension Gp
(4) 506-6700 Electronic Control Gp
Plug in the harness to the electronic control group (4) along with the power harness.
Show/hide table

Illustration 8 g06249597

View behind seat
Push the floor mat back down into place behind the seat
Note: Because retrofits to a prime product will change the configuration of the product, updating the configuration in SIMSi and AIMS is important. If the retrofit information is not provided, Caterpillar will not be able to provide important product updates. For detailed instructions on updating the product configuration, refer to Special Instruction, REHS5097 , Register the Retrofit.