TM 9-2350-238-10
OPERATING CRANE–CONTINUED
3
Make sure flasher light is
operating during recovery or
load. Do not lift or tow leads
4
beyond rated capacities of
equipment.
1 Operating boom and boom winch to lift
loads and place them where desired,
5
such as removal and installation of
power plants.
2 Traversing cab to locate boom over a
load and/or to align tow winch wire rope
with a vehicle being recovered.
STARTING HYDRAULIC SYSTEM
Operating tow winch to recover a dis-
abled vehicle, such as pulling out a mired
vehicle or a damaged vehicle.
Locking suspension system to make
recovery vehicle a stable platform from
which to work.
Emplacing spade to take advantage of
total recovery vehicle weight to lift
loads, and to provide an anchor to pre-
vent moving the M578 recovery vehicle
when pulling heavy loads with tow
winch.
I
1 Start and warm up engine. Refer to page
2-52.
NOTE
Warm hydraulic oil before
operating hydraulic components
in cold weather, Engage
hydraulic system for 5-10
minutes when temperature is
32°F (0°C) or below.
2 Idle engine 650-700 rpm using hand
throttle (1).
only at engine idle speed. When
magnetic clutch is engaged,
engine speed should not exceed
1,350 rpm.
3 Set hydraulic pump PTO CLUTCH switch
(2) to ON.
4 When magnetic clutch is engaged, in-
dicator light (3) comes on. Pull hand
throttle (1) all the way out to run engine
at 1,350 rpm with only hydraulic pump
operating. When operating hydraulic
components, engine speed will drop to
1,200 rpm.
Make sure that hydraulic pump
power takeoff clutch is engaged
2-67
