TM-5-5420-228-24
LAUNCHER HYDRAULICS SYSTEM M48A5/M60A1 TANK CHASSIS, TRANSPORTING: FOR BRIDGE, ARMORED-VEHICLE-LAUNCHED; SCISSORING TYPE, CLASS 60
TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT; MAINTENANCE MANUAL
AUGUST 1985
TM-5-5420-228-24 - Page 145 of 750
TM
5-5420-228-24
Symptom-4
DETAILED
TROUBLESHOOTING
PROCEDURE
LAUNCHER
OPERATION
- HYDRAULICS
(Continued)
Check
relief
valve,
RV6
for pressure
setting
of 500
t
50
psi.
Second
Technician
(Commanders
Station)
●
Place
one gallon
container
under
relief
valve,
RV6.
First
Technician
(Operiitor”s
Station)
.
Disengage
hydraulic
clutch.
●
Cycle
all hydraulic
control
levers
into
launch
and
retrieve
positions
several
times
to relieve
hydraulic
system
pressure.
Second
Technician
(Commander’s
Station)
●
If STE/ICE
is
available,
proceed
to ‘fkst No.
51
(page 2-47) to test relief valve RV6.
.
If STWICE is not available,
remove
gage plug
from relief valve RV6 and install
pressure
gage.
First
Technician
(Operator’s
Position)
.
Engage
hydraulic
clutch.
.
Set engine
\peed
at
1800 rpm.
●
Depress
locking
cylinder
control
lever.
Second
Technician
(Commander’s
Station)
●
Check
if pressure gage or STE/ICE indicates
500 * 50 psi.
Is
pressure
500
t
5Q psi?
m
QUADRANTS
REMOVED
FOR CLARllY
~.
h
L
(
I
: PORT
\
RELIEF
VALVE,
RV6
(COMMANDER’S
STATION)
r
5’
●
Adjust
rekfv
RV6 (page
3-87),
stepa
8
ttuough@.
●
Ifrdfef
vdvesettfng
eml’n)tk
-
to within
WlenmCe,
raplaee eertddgeinrelfefh
(page 3-85).
2-86
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