TM 9-2350-238-10
HYDRAULIC IMPACT WRENCH OPERATION–CONTINUED
Flow
Regulator
Setting
5
6
7
7
1/2
8
8
1/2
9
9
1/2
10
Torque Output
1-in. Bolt at
10 Seconds
OFF
4
60
6
40
7
6
0
8
0
0
8
40
Torque Output
1-in. Bolt at
5 Seconds
OFF
300
3
80
510
6
60
780
5
6
7
8
9
Pull up on flow regulator valve handle (5)
to setting required as listed in table.
Turn impact wrench rotary switch (6) to
desired direction of rotation.
Install impact wrench on work and
depress trigger (7) to operate impact
wrench (2).
Hold hydraulic impact wrench with two
hands during operation (8).
Push down on flow regulator valve han-
dle (5) when wrench operation is com-
pleted. Handle must be all the way down
before spade can be operated.
EMERGENCY OPERATION OF CRANE
AND SPADE
The M578 recovery vehicle is equipped with
Boom winch brake to be released.
a hydraulic ram hand pump and brake
pressure selector valves. These provide
Boom to be lowered.
emergency hydraulic pressure and limited
operation of crane and spade. The following
Tow winch brake to be released.
procedures should be used when there is a
power failure causing loss of hydraulic
Cab to be traversed.
pressure. The emergency procedures provide
for making vehicle ready for travel and allow:
Spade to be raised.
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