TM 5-2350-378-23&P
0015
HYDRAULIC OIL OVERHEATS - Continued
STEP
25.
Perform apron cylinder leakage test.
CAUTION
Ensure apron cylinders are blocked (Figure 33, Item 4) prior to retracting disconnected
cylinder rod ends. Cylinders will drop and damage hoses.
NOTE
Armor plates 1L and 1R must be removed to expose apron cylinder.
Have suitable container ready to catch oil.
a.
Start engine, lower apron completely, and disconnect right-hand and left-hand end of cylinder rods
(Figure 33, Item 5) from apron (Figure 33, Item 6).
b.
Retract cylinder rods (Figure 33, Item 5) approximately halfway.
c.
Stop engine; relieve hydraulic pressure.
d.
Disconnect CKT-20 (REAR) TEE hose (Figure 33, Item 2) and CKT-20 (REAR) TEE tube
(Figure 33, Item 1) from tee (Figure 33, Item 3) on hull floor.
e.
Cap and plug hose, tube, and fittings.
f.
Start engine, have assistant hold APRON CONTROL lever in UP position.
g.
Measure extension of both cylinder rods (Figure 33, Item 5).
h.
Continue to hold APRON CONTROL lever in UP position for one minute.
i.
Measure extension of both cylinder rods (Figure 33, Item 5) again.
0015-36
03/15/2011Rel(1.8)root(tswp)wpno(T00013)