SEAL (9.25mm ID) 6V8394 - Caterpillar

Illustration 1 g03663264
Location of the hydraulic tank (1) Hydraulic tank (2) Breaker relief valve (behind the guard) (3) Filler cap (4) Sight gauge (5) Sight gaugeHydraulic tank (1) is located on the right side of the front frame. The hydraulic tank supplies oil to the hoist hydraulic system, braking system, steering system, and the brake cooling system. Oil is placed into the hydraulic tank through filler cap (3). Breaker relief valve (2) is mounted to the top of the hydraulic tank.Hydraulic tank (1) has two sight gauges. Sight gauge (4) is used for checking the oil level. Sight gauge (5) can be used when the hoist cylinders are in the raised position or the ejector cylinders are in the extended position.Refer to the Operation and Maintenance Manual for lubrication viscosities and for refill capacities for the hydraulic tank.Tank Ports
Illustration 2 g03660700
Rear view of the hydraulic tank (1) Hydraulic tank (6) Return port for the hoist relief, steering, and secondary steering (optional) (7) Hydraulic oil level sensor port (8) Return port for the service brake control valve and retarder control valve (9) Return port for the parking brake control valve (10) Suction port for the brake oil cooling and hoist section of the gear pump (11) Suction port for secondary steering (optional) (12) Drain port for the hydraulic tankReturn Screens
Illustration 3 g03660688
Cutaway view of the hydraulic tank (13) Screen for the brake oil cooling and hoist system
Illustration 4 g03660686
Cutaway view of the hydraulic tank (14) Return port for brake oil cooling (15) Return screen for the brake oil cooling