Hydraulic Oil Reservoir - TM-10-3930-242-340191

TM 10-3930-242-34

because by so doing, permanent damage

NOTE

to the hydraulic pumps will result.

Upon reassembly, use new packing. Torque the

(2) Disconnect the hose located at the left

r o d end nut to the value specified in paragraph

side of the driver's seat.

1-7b (8).

e. Test. Refer to paragraph 6-5e and test the

(3) Disconnect the main outlet hose at

h y d r a u l i c side shift cylinder.

s h u t o f f valve located at the right side of the

f. Installation. Install the hydraulic side shift

driver's seat (Army models 200 and 202 only).

( 4 ) Remove the hydraulic oil reservoir (fig.

cylinder (TM 10-3930-242-12).

6-12).

6-11. Hydraulic Extension Cylinder

b . Disassemble.

a. Removal. Remove the hydraulic extension

(1) Disassemble the hydraulic oil reservoir

cylinder (TM 10-3930-242-12).

(fig. 6-13).

b. Disassembly. Refer to figure 6-11 and dis-

NOTE

a s s e m b l e the hydraulic extension cylinder.

As the result of an engineering change, the hyd-

NOTE

raulic reservoir on late model rough terrain fork-

l i f t trucks is equipped with filter contamination

The Army model 200 and Army model 222 are of

indicators mounted on top of the reservoir and in

identical construction and have identical compo-

place of the former filter cover plate (16, fig. 6-13).

nents. The cylinder used on the Army model 202

The purpose of the contamination indicator is to

has slightly different components but mainte-

s i g n a l when the main hydraulic oil filter is in

n a n c e procedures are similar. The hydraulic ex-

"by-pass" and is no longer serviceable. On models

tension cylinder for the Army model 202 is illus-

so equipped, see step (2) below.

trated in TM 10-3930-242-34P/2.

(2) On a model that is equipped with a con-

c. Cleaning and Inspection.

t a m i n a t i o n indicator, remove and disassemble

(1) Clean all metal parts thoroughly, using

the indicator (fig. 6-14).

solvent P-D-680, or equal. Dry all parts

thoroughly.

c. Cleaning and Inspection.

(2) Inspect the parts for wear, scored areas,

(1) Clean

the

hydraulic

reservoir

s c r a t c h e s . nicks. and burrs.

thoroughly, using solvent P-D-680, or equal.

( 3 ) Inspect the cylinder for cracks and dis-

D r y all parts thoroughly.

tortion.

( 2 ) Inspect the reservoir for cracks, breaks,

( 4 ) Replace all defective parts.

d i s t o r t i o n , broken welds and other damage.

d. Reassembly. Refer to figure 6-11 and reas-

( 3 ) Inspect the small parts and mounting

s e m b l e the hydraulic extension cylinder.

hardware for wear and damage.

NOTE

(4) Replace all defective parts. Use new

Upon reassembly, use new packing. Torque the

p a c k i n g upon reassembly of the hydraulic re-

rod end mut to the value specified in paragraph

servoir.

1-7b (8).

e. Test. Refer to paragraph 6-5e and test the

d . Reassembly.

h y d r a u l i c extension cylinder.

(1) If the unit is equipped with a contami-

f. Installation. I n s t a l l t h e h y d r a u l i c e x t e n -

n a t i o n indicator, reassemble and install the in-

sion cylinder (TM 10-3930-242-12).

dicator (fig. 6-14).

( 2 ) Reassemble the hydraulic oil reservoir

6-12. Hydraulic Oil Reservoir

(fig. 6-13).

a. R e m o v a l .

e. Installation.

CAUTION

(1) Position the hydraulic oil reservoir in

When removing any hydraulic hoses or

position and secure it (fig. 6-12).

lines, cap all openings to prevent foreign

(2) Connect the main outlet hose at the

material from entering the system and

shutoff valve located at the right of the driver's

possibly causing serious damage.

seat (Army models 200 and 202 only).

(1) Remove the drain plug (fig. 6-12) from

( 3 ) Disconnect the hose, located at the left

t h e bottom of the hydraulic oil reservoir and

side of the driver's seat.

drain the reservoir.

(4) Install the plug in the bottom of the

CAUTION

hydraulic oil reservoir and fill the reservoir

w i t h the proper oil. Refer to the lubrication

After draining the oil from the reservoir,

order.

do not start the engine for any reason,

6-13