CONTROL AS 1712545 - Caterpillar

Illustration 1 g00101435
Park the machine on level ground. Lower the bucket to the ground so that the stick is vertical.
Unlatch the engine hood and raise the engine hood.
Illustration 2 g00832409
(1) Bolts
(2) Washers
(3) Cover
Remove bolts (1), washers (2) and cover (3) from the top of the hydraulic tank.
Illustration 3 g00832412
Clean the area thoroughly in order to keep dirt out of the screen cover. Clean the area thoroughly in order to keep dirt out of the fill/vent plug.
Relieve the internal pressure from the hydraulic tank by loosening the fill/vent plug. After the pressure is relieved, remove the fill/vent plug.
Illustration 4 g00833625
(8) Bolts
(9) Washers
(10) Cover
(11) Spring
(12) Screen
Remove bolts (8), washers (9) and cover (10). Note: Do not allow spring (11) to fall into the tank.
Remove spring (11) and screen (12). Note: Refer to Operation and Maintenance, "General Hazard Information" for information on containing fluid spillage.
Wash the screen in a clean nonflammable solvent. Allow the screen to dry. Inspect the screen. Replace the screen, if the screen is damaged.
Illustration 5 g00833662
(13) O-ring seal
(14) O-ring seal
Remove O-ring seal (13) from screen (12).
Inspect O-ring seals (13) and (14). Replace the O-ring seals if wear or damage is evident.
Install O-ring seal (13) on screen (12).
Install screen (12) and spring (11). Then install cover (10), washers (9), and bolts (8). Note: Make sure that the O-ring seals and the spring are properly positioned during installation.
Inspect the O-ring seal on the filler plug for damage. Replace the O-ring, if necessary. Clean the filler plug. Install the filler plug.
Install cover (3) with bolts (1) and washers (2).
Close the engine hood and latch the engine hood.