S ec. 7D -169
CLUTCH CONTROLS
Figure 5 —Clutch Controls (M C 90)
1. B lock clutch pedal in fully engaged position
(against stop bum per). Clutch id ler le v e r should
contact STOP, as shown. If n e c e ssa r y , reposition
c le v is on clutch rod to allow id ler lev er to contact
STOP. Tighten upper adjusting nut to 12-14 foot
pounds torque.
2.
D isconnect clutch le v e r return spring from
r e le a s e le v e r .
3. L oosen low er lock nut. R eferring to Inset,
figu re 3, adjust p osition of low er adjusting nut to
p rovide .45-in ch clea ra n ce between wedge and ad
justing nut, with the r e le a s e le v e r held rearw ard
until the r e le a se yoke just contacts the r e le a s e
bearing.
4. Tighten low er lo ck nut against low er ad
justing nut and connect clutch le v e r return spring.
R em ove block from clutch pedal and check op er
ation of clutch linkage.
MB, MC90 CLUTCH LINKAGE
ADJUSTMENT (F ig s. 4 and 5)
IMPORTANT: T hese v eh icles a re equipped
with Spicer clu tch es. B e su re to, fir s t, adjust the
clutch internally a s described in "Internal Clutch
Adjustment" in the 1970 Heavy Duty Truck S erv ice
Manual ST 135-70, p ages 7 - 4 3 - 7 - 4 5 . A fter the
internal clutch adjustm ent has been perform ed,
adjust the extern al linkage as follow s:
1. B lock clutch pedal in fully engaged position
(against stop bum per). R ear id ler le v e r should
contact STOP, a s shown. If n e c e ssa r y , reposition
c le v is on upper clutch rod to allow rear id ler le v e r
to contact STOP. Tighten upper adjusting nut to
12-14 foot-pounds.
2. D isconnect clutch le v e r return spring from
r e le a s e le v e r .
3. L oosen low er lock nut. R eferring to the
In set in fig u res 10 and 11, adjust p osition of low er
adjusting nut to provide .45-inch clea ra n ce betw een
wedge and adjusting nut, with the r e le a s e le v e r
held rearw ard until the r e le a se yoke just contacts
the r e le a s e bearing.
4. Tighten low er lock nut against low er ad
justing nut and connect clutch le v e r return spring.
R em ove block from clutch pedal and check op er
ation of clutch linkage.
CHEVROLET SERIES 70-90 HEAVY DUTY TRUCK SHOP MANUAL SUPPLEMENT
Содержание DB90 Series
Страница 1: ...HEAVY DUTY TRUCK SUPPLEMENT...
Страница 8: ...Sec 0 2 LUBRICATION Figure 1 Lubrication Chart Conventional Cab M odels...
Страница 10: ...Sec 0 4 LUBRICATION CHEVROLET SERIES 70 90 HEAVY DUTY TRUCK SHOP MANUAL SUPPLEMENT...
Страница 12: ...Sec 0 6 LUBRICATION CHEVROLET SERIES 70 90 HEAVY DUTY TRUCK SHOP MANUAL SUPPLEMENT...
Страница 14: ...Sec 0 8 LUBRICATION CHEVROLET SERIES 70 90 HEAVY DUTY TRUCK SHOP MANUAL SUPPLEMENT...
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