ENGINE AR-PRIMARY 3784731 - Caterpillar

3784731 ENGINE AR-PRIMARY Caterpillar parts CS-56B, CS-68B

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Alternative (cross code) number:
CA3784731
378-4731
3784731

Weight: 1406 pounds 637 kg.

Buy ENGINE AR-PRIMARY 3784731 Caterpillar genuine, new aftermarket tractor parts with delivery
VIBRATORY COMPACTOR,

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#1141377 3784731

2023-06-12

Compatible equipment models: 3784731:

VIBRATORY COMPACTOR CS-56B CS-68B Caterpillar

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Illustration 8 g00521513
Install spring (31) and spring (32) in valve (11) .
Install spacer (30) in the inside diameter of piston (29) .
Illustration 9 g00521512
Install piston (29) in valve (11) .
Illustration 10 g00521511
Invert valve (11) .
Install slug (28) in spool (25) .
Install spring (27) in valve (11) .
Install spool (25) in valve (11) .
Use a screwdriver to slightly depress spool (25). Use a soft faced hammer to drive pin (26) into valve (11) .
Illustration 11 g00521507
Install retainer (22), spring (23), and spring (24) on spool (20). Install retainer ring (21) .
Illustration 12 g00521505
Install spring (19) and spool (20) in valve (11) .
Illustration 13 g00521502
Install two retainers (17) and spring (18). Install retainer ring (16).
Illustration 14 g00520039
Install spool (15) and stop (14) in valve (11) .
Illustration 15 g00520037
Place the O-ring on valve (11). Place cover (13) on valve (11). Install the bolts that hold cover (13) .
Illustration 16 g00520036
Install valve (11) on plate (12) .
Illustration 17 g00520034
Install manifold (6) on valve (11) .
Install bolts (9) in manifold (6). Tighten the bolts to a torque of 30 4 N m (22 3 lb ft).
Install the O-ring seal on plug (10). Install plug (10) in manifold (6) .
Install two connectors (8) on manifold (6) .
Illustration 18 g00520033
Place manifold (3) and wiring harness (7) on manifold (6) .
Install bolts (5) that hold manifold (3). Tighten the bolts to a torque of 30 4 N m (22 3 lb ft).
Install the bolts in the clamps that hold wiring harness (7) .
Illustration 19 g00520024
Illustration 20 g00520026
Perform the following steps in order to assemble the solenoids.
Install cartridge (1) in manifold (3). Tighten the cartridge to a torque of 50 5 N m (37 4 lb ft).
Install coil assembly (2), the washer, and the nut on cartridge (1). Tighten the nut to a torque of 9 .5 N m (80 4 lb in).
Install electrical connector (4) in the support clip.
Repeat Step 35.a through Step 35.c for the remaining solenoid valves.End By: Install the transmission hydraulic control valve. Refer to Disassembly and Assembly Manual, "Transmission Hydraulic Control Valve - Install".