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 103 of 750
TM 5-5420-228-24
Symptom-1
T
DETAILED TROUBLESHOOTING PROCEDURE
LAUNCHER OPERATION - HYDRAULICS
(Continued)
INLET
HOSE
QUICK
DISCONNECT
m
Check master reiief
valve
RV1 for pressure
setting
of
3800
~
50 fMBi.
\
Second
Technician
(Operator’s
Station)
.
Disconnect
valve bank
inlet
hose
at quick
disconnect.
●
Place
suitable
container
under
master
relief
valve
RV1.
●
If STE/lCE
is available,
proceed
to Test No.
51
(page
2-47)
to test master
relief
valve
RVI.
●
If
STE/ICE
is not
available,
remove
gage plug
from
master relief
valve
RV 1 and connect
pressure gtigc.
●
Start
engine.
●
Engage
hydraulic
clutch.
●
Set
engine speed at
1800 rpm.
●
Check
if pressure gage or
STE/ICE
indicates
3800+
50
psi.
is pressure
3800
t
50 psi?
m
OPERATOR’S
STATION’
‘
.L-L_L-
OPERATOR’S
STATION
PLUG
(
Adjust
master
rellef
valve
RVl
(page 3-76),
staps 8 through 14.
H relief
velve
setting
cannot
be
brought
to within
tolerance,
replace
cartridge
in relief
valve
(page 3-73).
if relief
valve
setting
still cannot
be brought
within
tolerance,
notify
support
maintenance
of
faulty
hydraullc
pump.
I
2-62
Change
2
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