TM9-2330-374-14&P
e.
R a i s i n g The Landing Gear.
--
(1) U n h o o k c r a n k ( 1 , f i g u r e 2 - 2 0 )
from crank holder (2).
(2) R a i s e c r a n k ( 1 ) .
P u l l out on crank for high speed
operation.
(3) Turn crank (1) counterclockwise
until legs (3) have been
retracted.
(4) Lower crank (1) and secure in
crank holder (2).
(5) Remove and stow chock block and
c h a i n s . Remove and stow
float pads, if used.
Landing gear
F i g u r e 2-20.
OPERATING TOWING VEHICLE AND SEMITRAILER
a. Driving. When driving the truck tractor and semitrailer, the overall length
of the unit must be kept in mind when passing other vehicles and when turning.
B e c a u s e the unit is hinged in the middle, t u r n i n g a n d b a c k i n g a r e a l s o a f f e c t e d .
b. Turning. When turning corner, allow for the fact that the semitrailer wheels
T o make a right turn at a road
turn inside the turning radius of the truck tractor.
intersection, drive the towing vehicle about halfway into the intersection and then
cut sharply to the right. This will allow for the shorter turning radius of the
semitrailer and will keep it off the curb.
In normal operation, the brakes of the truck tractor and the
Stopping.
c.
semitrailer are applied at the same time when the driver steps on the brake pedal.
B r a k e p r e s s u r e m u s t b e a p p l i e d g r a d u a l l y a n d s m o o t h l y . T h e semitrailer brakes may
be applied separately by using the brake control lever on the truck tractor steering
column. O n s t e e p d o w n g r a d e s o r s l i p p e r y s u r f a c e s , t h e s e m i t r a i l e r b r a k e s m u s t b e
applied before the truck tractor brakes. This will reduce the possibility of jack-
knifing the semitrailer.
Parking.
d.
W h e n the truck tractor and the semitrailer are to be parked and
left unattended, set the parking brake on the truck tractor and apply the brakes on
t h e s e m i t r a i l e r . Turn off the truck tractor engine before leaving the cab. Block
the semitrailer wheels with chock blocks.
-- Backing.
Whenever possible, the assistant driver or another person will act
e.
as a ground guide to assist and direct the driver. A d j u s t a l l r e a r v i e w m i r r o r s
before backing. When backing, the rear of the semitrailer will always move in the
o p p o s i t e d i r e c t i o n o f t h a t i n w h i c h t h e f r o n t w h e e l s a r e t u r n e d . W h e n the wheels of