TM 9-2590-209-14&P
Section XV. MAINTENANCE OF RESERVOIR
k. Remove two nuts, washers, and lockwashers
4-59. Definition. The oil reservoir is mounted to the left
from reservoir assembly (view F).
rear fender. Tubing and hoses connect it with the control
valve and hydraulic pump. Controlled movement of
l. Attach hoist to reservoir assembly, and remove
hydraulic oil in one direction or the other moves the blade
reservoir assembly (view F).
assembly up or down. The reservoir also has an air vent
line and filter which is vented to the air cleaner.
4-61. Disassembly (Fig 4-18).
CAUTION
a. Disconnect tube assembly from elbow (view A).
Do not remove drain plug or disconnect
b. Remove 14 screws and lockwashers securing
tubes while engine is running to prevent
damage to hydraulic pump.
cover assembly and gasket to reservoir, and remove
cover assembly and gasket (view A).
4-60 Removal (Fig 4-17).
c. Remove plug and gage from cover assembly
(view B).
a. Open lines carefully to relieve pressure. Drain
hydraulic system (fig 4-1).
d. Remove four screws and lock-washers
securing strainer element to cover assembly, and
b. Remove two screws and lockwashers securing
remove strainer element (view B).
support to upper guard (view A, fig 4-17).
e. Remove two screws and seals securing
c. Remove five screws and lock-washers,
manifold assembly inside reservoir, and remove manifold
securing upper guard to lower guard (view A). Remove
assembly (view C).
upper guard.
f. Remove three screws, lockwashers, and
d. Remove two nuts, lockwashers, washers, and
washers securing baffle to reservoir, and remove baffle
bolts securing guard to left rear fender (view A).
(view C).
Remove guard.
e. Disconnect two seals and tubes connected to
4-62. Cleaning and Inspection.
elbows (view B).
a.
Clean all parts including housing mating
f. Remove three screws, lockwashers, and nuts
surfaces using drycleaning solvent.
securing lower guard to left rear fender (view C).
b. Inspect all components for cracks or damage.
Remove lower guard.
g. Remove two hose assemblies from reservoir
c. Inspect machined surfaces for pitting or wear.
assembly (view D).
d. Inspect remaining hardware for wear, damaged
h. Remove two elbows from hose assemblies
threads, and general serviceability.
Replace
(view D).
components, as required.
i. Remove tube assembly and hose from
reservoir assembly (view E).
4-63. Repair (Fig 4-19).
j.
Remove air vent filter (para 4-96).
a.
Disconnect two filters from manifold, and
remove filters.
4-37
