BELT GP-SERPENTINE 3687728 - Caterpillar

Disassembly Procedure
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g06024366
The above graphic is provided as a point of reference.
(1) Outlet
(2) Auxiliary
(3) Auxiliary
(4) Blade
(5) Stick
(6) Bucket
(7) Left Travel
(8) Right Travel
(9) Boom
(10) Swing
(11) Inlet
Illustration 2 g06025078
Remove nuts (12) and the washers. Remove outlet manifold (1) and the O-ring seals.
Illustration 3 g06025055
Remove nuts (13) and solenoid assemblies (14).
Illustration 4 g06025084
Remove auxiliary control valve (2) and the O-ring seals.
Illustration 5 g06024864
Remove bolts (20) and cover (18). Remove O-ring seal (16). Remove check valve (15) and the O-ring seal. Remove bolts (21) and cover (19). Remove O-ring seal (17) and O-ring seal (22).
Repeat Step 3 and Step 4 for auxiliary control valve (3).
Illustration 6 g06025333
Remove blade control valve (4).
Illustration 7 g06025368
Remove bolts (27) and lock washer (26). Remove cover (25) and O-ring seal (24). Remove check valve (23) and the O-ring seal. Remove bolts (30) and lock washer (31). Remove cover (29). Remove O-ring seal (28) and O-ring seal (32).
Repeat Step 6 and Step 7 for stick control valve (5) and bucket control valve (6).
Illustration 8 g06025600
Remove spacer (33) and the O-ring seals.
Illustration 9 g06025630
Remove left travel control valve (7) and the O-ring seals.
Remove right travel control valve (8) and the O-ring seals.
Repeat Step 6 and Step 7 for left travel control valve (7) and right travel control valve (8).
Illustration 10 g06025644
Remove spacer (34) and the O-ring seals.
Illustration 11 g06025695
Remove boom control valve (9) and the O-ring seals.
Repeat Step 9 and Step 10 for boom control valve (9) swing control valve (10).
Illustration 12 g06025705
Remove rods, washers, and nuts (35) from inlet manifold (11).