TM 9-2350-238-10
OPERATING CRANE–CONTINUED
OPERATING SPADE–CONTINUED
Spade Emplacement on Ice, Concrete, or Very Hard Ground—Continued.
ILLUSTRATION IS A CUT-AWAY
SHOW PROPER PLACEMENT OF
BLOCK.
VIEW OF HULL TO
CABLES AND BOOM
1 Disconnect single boom block (1) from
hull and lower to ground.
Always wear leather gloves
(item 31, appx B) when handl-
ing winch cable. Never allow
cable to run through hands.
Broken wires can cause painful
injuries. Do not operate
winch/crane with less than four
turns of wire rope on drums.
Failure to observe these warn-
ings could result in injuries to
personnel.
NOTE
Driver and crane operator must
work together to emplace
spade.
2 Pay out boom winch wire rope forward,
until single boom block can be reached
at rear of vehicle. Place boom block at
front center of vehicle. Then guide vehi-
cle forward SLOWLY.
3
4
5
6
Loosen and remove spade travel lock (2)
from spade and move handle (3) to
LOWER position to lower spade to
ground. Attach single boom lock (1) to
either eye (4) of spade using a suitable
shackle from equipment on vehicle.
Lock suspension system. Refer to page
2-68.
Back vehicle just enough to
place idler wheel over spade.
Backing vehicle too far will
damage supporting members.
Place spade control valve handle in
LOWER position. Shift boom winch to
low gear. At same time, slowly back
vehicle while crane operator reels in
boom winch wire to emplace spade.
Disconnect single boom block from
spade. Unlock and lock suspension
locknut system to make sure there is
proper track-to-ground contact.
2-71
