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

  TM-5-5420-228-24 - Page 107 of 750

TM 5-5420-228-224
Symptom-1
FROM STEP
Q
9
DETAILED
TROUBLESHOOTING
PROCEDURE
LAUNCHER
OPERATION
- HYDRAULICS
(Continued)
Check
that
hold
down
cylinder
does
release.
\
Seeond
Technici:in
(opertitor’s
Station)
●
Disengage
hydmuiic
clutch.
●
Cycle
bridge
launching
control
levers.
First
Technician
(Overhead
Cyiinder)
●
Remove
pressure
gage
or STE/ICE
from
reiief
valve
RV9 and install
gage
piug.
Second
Technician
(Operator’s
Station)
●
Engage
hydraulic
ciutch.
●
Set engine
speed
at
1800 rpm.
●
Raise
overhead
cylinder
controi
lever
momentarily.
First
Technician
(Top
Deck)
.
Visuaily
check that
hoiddown
cyiinder
does
release.
Does holddown cylinder
release?
(
m
(14J
4
●
System
itsoperational.
●
Install overhead cyllnder armor
(page 3-224).
●
Perform
launch
and retrieve
procedures
(TM 5-5420-202-10).
r
2-66
Change
2


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