Terex TR60 Maintenance Manual page 295

Operate treadle valve continuously to discharge
braking accumulators. Oil should be showing in
middle window nut (12).
If oil is required, remove filler cap (2) and fill tank (1)
with hydraulic oil specified in Section 300-0020,
LUBRICATION SYSTEM, until oil shows in bottom
window nut (12). Fit filler cap (2).
Hot check: With the engine running, oil at normal
operating temperature and accumulators charged, oil
must be between top and middle window nuts (12).
Switch off the engine and operate the steering left and
right to discharge the steering accumulator. Operate
treadle valve continuously to discharge braking
accumulators. Oil should show in top window nut (12).
If oil is required, remove filler cap (2) and fill tank (1)
with hydraulic oil specified in Section 300-0020,
LUBRICATION SYSTEM, until oil shows in top window
nut (12). Fit filler cap (2).
Replacing Hydraulic Oil
Tank (1) assembly should be drained, cleaned and
refilled with clean hydraulic oil at the recommended
service interval specified in Section 300-0020,
LUBRICATION SYSTEM. Use only hydraulic oil as
specified in Section 300-0020, LUBRICATION
SYSTEM.
Note: When oil in tank (1) is being replaced due to
overheated oil, hydraulic component failure, or at
recommended change interval, filter assembly (10)
should be replaced.
Changing Filter Assembly
Change filter assembly (10) at interval specified in
Section 300-0020, LUBRICATION SYSTEM.
WARNING
To prevent personal injury and property
damage, be sure wheel blocks are properly
secured and of adequate capacity to do the job
safely.
1. Position the vehicle in a level work area, be sure the
body is fully lowered, apply the parking brake and
switch off the engine.
2. Turn the steering wheel in both directions several
times to relieve any pressure in the steering system.
SM 1592 12-98
Steering System - Steering and Brake Control Tank
Operate treadle valve continuously to discharge
braking accumulators. Block all road wheels.
3. With suitable containers in position, remove drain
plugs from tank (1) and body and disc brake cooling
tank (2, Fig. 4) and drain the oil. Refer to Section
230-0040, BODY AND DISC BRAKE COOLING
TANK. Reinstall drain plugs in tanks and tighten
securely.
4. Remove bolts (7), lockwashers (8), access cover (5)
and gasket (6) from tank (1). Discard gasket (6).
5. Remove wing nuts (14) from rods (13). Remove and
discard filter assembly (10) and gasket (15) from tank (1).
6. Install new gasket (15) and filter assembly (10) in
tank (1) and secure with wing nuts (14).
7. Install new gasket (6) and access cover (5) on
tank (1) and secure with bolts (7) and lockwashers (8).
8. Fill tank (1) to correct level with hydraulic oil
specified in Section 300-0020, LUBRICATION
SYSTEM. Install filler cap (2).
9. Remove wheel blocks, start the engine and charge
the steering and brake control systems. Check oil
level as described under 'Checking Oil Level'.
1 3
1 - Steering and Brake Control Tank
2 - Body and Disc Brake Cooling Tank
3 - Inter-Connecting Hose Assembly
Fig. 4 - Layout View of Hydraulic Tanks
Section 220-0040
SM - 1991
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