PART 8: MAINTENANCE AND SERVICE TRANSMISSION AND DRIVE TRAIN
(R05/10) Y53-6032 – 203 –
9. Establish a second horizonal line, no more than 1 in.
(2.5 cm) wide, below the H-H line. This is the A-A line.
10. Using a 10 mm socket, turn the headlamp’s adjuster
until the aim zone visible in the beam pattern is level
with the A-A line on the aiming surface; the lamp is
now properly adjusted.
11. Repeat for opposite headlamp.
Low beams and high beams are integrated; only low
beams need adjustment. The high beams should be level
wht the H-H line once the low beams are adjusted the the
A-A line.
Transmission And Drive Train
Clutch Adjustment
Clutch pedal free travel is usually 1 3/4 in. to 2 in. (34 to 51
mm). This should be your guide for determining whether
your truck needs clutch adjustment. Some vehicles have
automatic clutch adjustment. If yours doesn’t have this
feature, adjustment will have to be done by a trained certi-
fied mechanic. Have the adjustment done before clutch
pedal free travel is reduced to the minimum allowable 1/2
in. (13 mm).
Fuel System
Location of Fuel Shut-off Valves
Fuel shut-off valves for the fuel crossover line are on the
bottom of the secondary fuel tank, at the crossover line
connection. They are optional on the primary fuel tank.
Specification
Use only diesel fuel as recommended by engine manufac-
turers.
H-H Line
Distance from
floor (mm)
X
VOR (mm)
X
VOL(mm)
560-900 0 53
900-1200 50 103
1200-1372 64 117
Y53-6032.book Page 203 Monday, May 24, 2010 3:37 PM
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