Sec. 6M
P a g e 34
QMG
ubielel Ctupitte
A ll
inform ation in S e rv ice Manual S T -331-71 pertaining to
ENGINE FUEL SYSTEM (SEC. 6M), pages 6M-1 through 6M -26 is
applicable to m o d els covered by th is supplem ent with the exception
of the following:
ACCELERATOR LINKAGE ADJUSTMENT
(STEEL TILT CAB MODELS)
1. T ilt cab forw ard.
2. With a c c e le ra to r con trols in sta lled , make
su r e threads of ball joint "A” are engaged
a s
shown in figure 2.
3. D ep ress a c c e le ra to r pedal to
%"
(fig. 2)
from flo o r mat.
4. Adjust ball joint "B" at injection pump
throttle le v e r to obtain full throttle.
NOTE: It may be n e c e ssa r y to adjust ball joint
"B" (minim um engagem ent at eith er ball joint no
l e s s than
%").
5. Lower cab to operating p osition .
NOTE: A ccelera to r pedal linkage is properly
adjusted when a ccelera tin g pedal is contacting
flo o r mat and the fu el injection pump le v e r is in
fu ll throttle p osition.
A iA . G le a tte te
(ALL ENGINES)
A ll inform ation in S erv ice Manual S T -331-71 "AIR CLEANERS”
p ages 6M -27 through 6M -31 i s applicable to m od els co v ered by th is
supplem ent with the exception of the following:
A ir c le a n e r s should be in sp ected and s e r v ic e d at in terv a ls s p e c i
fied in E m issio n Control booklet, or m ore often under s e v e r e dust
conditions; a lso , w henever dirt is v isib le in elem en t or o il. A ir c le a n e r s
on v e h ic le s operating in dust sto rm s should be cleaned im m ed iately
a fter such sto r m s occu r.
The a ir clean er should be in sp ected to make certain that a ll h o ses
and ducts a re intact and c o rrectly in sta lled . O perational function should
be checked by inspecting p osition of valve in a ir intake (when used ).
With engine stopped, valve should be open. At underhood tem perature
below 1 0 0 °F ., with engine running, valve should be p artially or fully
c lo se d . A s engine underhood tem perature r is e s , the valve should open.
PLACE A N D SECURE
ACCELERATOR PEDAL
Z4”
FROM FLOOR MAT
a
T W £
A
BOOT ^
THREADS OF BALL
JOINT " A ” EN G AG ED '/2'
CHECK POINTS AT
ACCELERATOR PEDAL
ADJUST BALL JOINT " B ”
AT INJECTION PUMP
TO OBTAIN FULL THROTTLE
ADJUSTMENT POINT AT
INJECTION PUMP O N ENGINE
Figure 1 — Steel Tilt C ab Acceleration Linkage