TM 9-2590-209-14&P
10-26. Maintenance of Reservoir. The oil reservoir is
(1) Clean all parts including housing mating
mounted to the left rear fender. Tubing and hoses
surfaces using dry-cleaning solvent.
connect it with the control valve and hydraulic pump.
Controlled movement of hydraulic oil in one direction
(2) Inspect
all
components
for cracks or
moves the blade assembly up and down. The reservoir
damage.
also has an air vent line with filter which is vented to the
air cleaner.
(3) Inspect machined surfaces for pitting or
wear.
CAUTION
(4) Inspect remaining hardware for wear,
Do not remove drain plug or disconnect tubes, while
damaged threads, and general serviceability. Replace
engine is running to prevent damage to hydraulic pump.
components, as required.
a. Removal (Fig 10-14).
c. Disassembly (Fig 10-15).
(1) Disconnect lines carefully
to
relieve
(1) Remove 14 screws and lockwashers
pressure. Drain hydraulic system (fig 4-1).
securing cover assembly and gasket to reservoir, and
remove cover assembly and gasket (view A).
(2) Remove two screws and lockwashers
securing support to upper guard (view A).
(2) Remove plug and gage from
cover
assembly (view B).
(3) Remove five screws and lockwashers
securing upper guard to lower guard (view A). Remove
(3) Remove four screws and lockwashers
upper guard.
securing strainer element to cover assembly, and
remove strainer element (view B).
(4) Remove two nuts, lockwashers,
and
washers, securing guard to left rear fender (view A).
(4) Remove two screws and seals securing
Remove guard.
manifold assembly inside reservoir, and remove manifold
assembly (view C)
(5) Disconnect two seals and tubes connected
to elbows (view B).
(5) Remove three screws, lockwashers, and
washers securing baffle to reservoir, and remove baffle
(6) Remove three screws, lockwashers, and
(view C).
nuts securing lower guard to left rear fender (view C).
Remove lower guard.
d. Repair (Fig 10-16).
(7) Remove two
hose
assemblies
from
(1) Disconnect two filters from manifold, and
reservoir assembly (view D).
remove filters.
(8) Remove
two
elbows
from
hose
(2) Disconnect tube from manifold,
and
assemblies (view D).
remove tube.
(9) Remove two nuts, washers,
and
(3) Disconnect two nipples from manifold, and
lockwashers from reservoir assembly (view E).
remove nipples.
(10) Attach hoist to reservoir assembly, and
(4)Clean in accordance with paragraph 5-6.
remove reservoir assembly (view E).
b. Cleaning and Inspection.
10-26
