Terex TS14G, Maintenance Manual

Page: 231 / 376

Section 235-0040
SM 2279 04-04
3
Bowl Hydraulic System - Hydraulic Tank
2. Block all road wheels and place the battery master
switch in the 'Off' position.
3. With a suitable container in position, remove drain
plug (23), and drain hydraulic oil from tank. Reinstall
drain plug (23).
4. Tag and disconnect all lines and fittings attached
to tank assembly (1), to aid in 'Installation'. Cap all
lines and fittings to prevent ingress of dirt.
5. Secure a suitable lifting device on tank assembly
(1) and remove bolts (24), washers (25), lockwashers
(26) and nuts (27) securing tank assembly (1) to tank
mountings.
6. Carefully remove tank assembly (1) from the
vehicle to a clean area for disassembly.
Disassembly
1. Remove internal components from tank assembly (1)
as previously described under 'Maintenance'.
2. Remove breather (21) from top of tank assembly (1).
3. Remove sight gauges (20) from tank assembly (1).
Inspection
WARNING
Splashing liquid. Wear a suitable face shield
when using compressed air to dry hydraulic
tank and components.
1. Clean tank assembly (1) and components with a
suitable solvent and dry with compressed air.
2. Inspect tank assembly (1) for weld cracks and
security of internal pipes and weld fitments.
3. Inspect filter element (14) assembly, suction screen
(17) and breather (21) for damage. Replace if required.
Assembly
1. Renew all gaskets and install all internal
components in tank assembly (1), as previously
described under 'Maintenance'.
2. Install breather (21) on top of tank assembly (1).
3. Install sight gauges (20) on tank assembly (1).
4. With a suitable container in position, remove drain
plug (23), and drain hydraulic oil to below the level of
suction screens (17). Reinstall drain plug (23).
5. Remove suction screen (17) from the interior of tank
assembly (1).
WARNING
Splashing liquid. Wear a suitable face shield
when using compressed air to dry hydraulic
tank and components.
6. Clean Suction screen (17) in a suitable solvent and
dry with compressed air.
7. Inspect suction screen (17) for damage and replace
if required.
8. Install suction screen (17) and secure.
9. Install new gasket (5) on access cover (6) mounting
flange. Secure access cover (6) to tank (1) assembly
with bolts (9) and lockwashers (11).
10. Refill tank assembly (1) with hydraulic oil, as
specified in Section 300-0020, LUBRICATION SYSTEM.
Install filler cap (2) filler neck assembly.
11. Place the battery master switch in the 'On'
position, remove wheel blocks, start the engine and
operate steering and bowl hydraulic systems to
circulate the hydraulic oil.
12. Switch off the engine and check for leaks. Tighten
lines and fittings as required. Check hydraulic oil tank
level as described under 'Checking Oil Level'.
TANK ASSEMBLY
Numbers in parentheses refer to Fig. 1.
Removal
WARNING
To prevent personal injury and property
damage, be sure wheel blocks, blocking
materials and lifting equipment are properly
secured and of sufficient capacity to do the
job safely.
1. Position the vehicle in a level work area, apply the
parking brake and switch off the engine. Operate the
steering in both directions several times to relieve any
pressure in the steering system.
Courtesy of Machine.Market