LANDING GEAR (Cont).
Late model semitrailers
have a crankhandle
for each landing gear leg.
Each landing gear leg (6 or 7) contains
gearbox (1). Push crankhandle
(3) all the way
into gearbox to provide a slow-speed
action. Push crankhandle
part way into gearbox to provide a high-speed
(3) on roadside
to lower or counterclockwise
gear leg (6).
(3) on curbside
to lower or clockwise
landing gear leg (7).
Continue turning crankhandles
landing gear legs (6 and 7) support front of semitrailer.
VAN BODY (M313).
and retracting the M313 van body is very complex and requires a thorough
of the location and function of controls and locking mechanisms.
Van Body (M313).
Level van body (para 2-17). Release four corner locks (4) from clips (3).
Using lock wrench on four side locks (9) and two side locks on each sidewall
(8) of van body, release
four side locks ¼ turn counterclockwise.
Using ratchet wrench and hexagon socket on two ratchets, turn each retractable
beam drive shaft (2)
until side walls (8) are expanded
to their outward limits.
Open four end panel doors (1). Release hook holders (6) from clips (5) and hook holders to bottom of
end panel doors to keep end panel doors open at 1200.