TM 55-1520-240-23-3
3-64
TEST SWIVEL HOUSING AND SPINDLE (AVIM)
(Continued)
3-64
Do not test until all connections
are checked for security, and
component is properly assembled.
Use shatterproof shield to protect
personnel. Hydraulic fluid sprayed
under high pressure can cause
serious injury to personnel.
1.
Remove plug (1) and packing (2) from cam
follower port (3).
2.
Have helper move bearing (4) away from cam (5)
far enough to install aluminum bar (6). Position
bar between cam and bearing. Release bearing.
NOTE
To operate hydraulic test stand, refer
to applicable manual.
3.
Proof pressure test cam follower (7) as follows:
a.
Connect test stand hose fitting (8) to cam
follower port (3).
b.
Close shutoff valve (9).
c.
Apply 4500 psi to cam follower port (3) for
5 minutes.
d.
Check cam follower (7). There shall be no
external leakage, distortion, or malfunction.
e.
Open shutoff valve (9).
f.
Remove aluminum bar (6).
4.
Install packing (2) and plug (1).
5.
Install swivel housing cover (Task 3-58).
6.
Install steering lever (Task 3-70).
7.
Install packing (2) and plug (1).
8.
Remove elbow (10), union (11), and packing (12)
from brake pressure port (13).
3-168
