(c) Disconnect hose (19), remove elbow (20)
b. Oil Strainer.
and adapter (21).
Remove four nuts (22) and
(1) Removal.
lockwashers (23) and two clamp halves (24). Remove
(a) Loosen the nut (2, fig. 4-9) and bolt (3)
0ring (25); then unscrew flange (26) from filter head
and remove the clamp (4) retaining the hydraulic tank
(27). Loosen clamps (29) and remove the hose (30).
cover and remove the tank cover (5) and gasket (6).
Remove eight nuts (31) and four mounts (32). Remove
(b) Remove suction adapter (7) and install
oil level gauge (33) from hydraulic reservoir (34).
auxiliary plug (10) in place of adapter.
(2) Cleaning and inspection.
(c) Remove strainer (8) from suction
(a) Clean the reservoir with an approved
adapter. Remove o-ring (9) from adapter.
solvent and dry thoroughly.
(2) Servicing and inspection. Clean the strainer
(b) Inspect for cracks, dents, or other
with an approved cleaning solution and allow to dry.
damage.
Inspect the strainer for holes in filter screen or any other
(3) Repair and replacement. Minor dents in the
damage. Replace a damaged strainer.
reservoir may be repaired using simple shop repair
(3) Installation. Install strainer and cover by
methods.
Major damage will necessitate the
reversing removal procedures.
replacement of the reservoir. Use replacement parts in
c. Filter.
lieu of worn or damaged parts.
(1) Removal.
(4) Installation.
Install the reservoir and
(a) Remove the four bolts (14) retaining the
associated parts by reversing the removal procedures.
flange (15) and filter housing and remove the housing
After installation, service the hydraulic reservoir as
(16) and gasket (17).
instructed in Lubrication diagram this manual
(b) Remove the filter element (18).
(2) Servicing. Clean the filter housing with an
4-25. Hydraulic Hoses
approved cleaning solvent and dry thoroughly. Old
a. Inspection. Inspect all hoses for cracks, breaks,
filters and gaskets shall be discarded and replaced with
new filters and gasket.
damaged or loose fittings.
Tighten loose fittings.
(3) Installation. Install the filter by reversing the
Replace damaged or defective hose.
procedures used for removal.
b. Removal and Installation
d. Reservoir.
(1) Remove cover from hydraulic reservoir.
(2) Remove suction adapter and install auxiliary
(1) Removal.
plug in place of adapter.
(a) Drain reservoir by removing drain plug
(3) Unscrew hose (19, fig. 4-9) from reservoir
(28, fig. 4-9). or open drain valve above plug.
and from control valve. Loosen clamps (29) and
(b) Remove breather cap, oil strainer, and
remove hose (30) at reservoir and at hydraulic pump.
filter (para a., b., and c. above).
(4) Install new hoses and replace suction
adapter and reservoir cover.
4-17