Operation and maintenance manual

Section 250-0025
Braking System - Brake Coolant Tank
SM 2156 7-02
4
WARNING
To prevent personal injury and property
damage, be sure wheel blocks, blocking
materials and lifting equipment are properly
secured and of adequate capacity to do the job
safely.
1. Position the vehicle in a level work area, ensure the
body is fully lowered, apply the parking brake and
switch off the engine.
2. Block all road wheels, place the steering lock bar in
the 'Locked' position and the battery master switch in
the 'Off' position.
3. Remove blanking cap from remote drain assembly
(12) on the bottom of brake coolant tank (1). Install a
length of hose on remote drain fitting, open drain cock
and drain oil into a suitable container. Close drain cock,
remove hose and reinstall blanking cap on remote drain
assembly (12).
4. Ensure all cooling lines connected to brake coolant
tank (1) are identified for ease of installation and, with
suitable containers available to catch leakage,
disconnect cooling lines. Fit blanking caps and plugs to
all open lines and fittings.
5. Remove screws (20) and walkway (17) from top of
tank. Install lifting eyes in brake coolant tank (1) and
attach a suitable lifting device. Remove nuts (27),
washers (25 & 26) and bolts (24) securing brake
coolant tank (1) to frame.
6. Carefully remove brake coolant tank (1) assembly
from the unit to a clean work area for disassembly.
Disassembly
Numbers in parentheses refer to Fig. 1.
1. Remove internal components from brake coolant tank
(1) as described under 'Maintenance'.
2. Remove padlock, latch (2) and filler cap (3) from
brake coolant tank (1).
3. Remove breather (10), nipple (9), connectors (36),
bush (35) and hose (37).
5. Remove bolts (7), lockwashers (8), access cover (5)
and gasket (4) from front of brake coolant tank (1).
Discard gasket (4).
6. Unscrew and remove strainer (34) from the inside of
brake coolant tank (1).
WARNING
Splashing liquid. Wear a suitable face shield
when using compressed air to dry hydraulic
tank and components.
7. Clean out the inside of brake coolant tank (1) and
strainer (34) with a suitable solvent and dry with
compressed air.
8. Inspect strainer (34) for damage and replace if
required.
9. Install strainer (34) in brake coolant tank (1) and
secure.
10. Place new gasket (4) and access cover (5) on
brake coolant tank (1) and secure with bolts (7) and
lockwashers (8).
11. Install heatshield (18) and secure using bolts (21)
and washers (22 & 23).
12. Remove padlock, open latch (2) and remove filler
cap (3) from brake coolant tank (1). Fill brake coolant
tank with oil specified in Section 300-0020,
LUBRICATION SYSTEM. Install filler cap (3) on brake
coolant tank (1) and secure with latch (2) and padlock.
13. Place the battery master switch in the 'On' position
and the steering lock bar in the 'Stowed' position,
remove all wheel blocks and start the engine.
Note: The oil level will drop during initial start up due to
brake assemblies and lines being charged.
14. Switch off the engine, check for leaks and check
oil level as described under 'Checking Oil Level'.
TANK ASSEMBLY
Removal
Numbers in parentheses refer to Fig. 1.