Chevrolet 10 Series 1970 Service Manual page 357

Fig„ 17V — In s ta llin g Tim in g C h a in
lobe. A t this point, the push rod w ill be in its low est
position.
4. Set dial indicator on ze ro , then rotate the crankshaft
F ig . 18 V — M easurin g C am shaft Lobe L ift
F ig . 19 V —Removing Cam shaft
slow ly, or attach an a u xiliary s ta rte r switch and
"bu m p " the engine o v e r, until the push rod is in
fu lly ra ised position.
CA U TIO N : The distribu tor p rim a ry lead must
be disconnected fro m
coil and the ignition switch must be in the on
position. F a ilu re to do this w ill resu lt in a
damaged grounding circu it in the ignition switch.
5. Com pare the total lift recorded fro m the dial indi­
cator with sp ecification s.
6. Continue to rotate the engine until the indicator reads
zero . T h is w ill be a check on the accuracy o f the
origin a l indicator reading.
7. If cam shaft readings fo r a ll lobes a re within sp eci­
fications, rem ove dial indicator assem bly.
8. Install and adjust va lve
Removal
1. Rem ove va lve lifte r s as outlined
2. R em ove crankcase front co ver as outlined.
3. Rem ove g r i l l e (if
Section 13.
4. R em ove fuel pump push rod as outlined in Section
6M.
SYNCHROMESH
F ig . 2 0 V —F lyw h e e l In s ta lla tio n (T y p ic a l)
ENGINE 6-35
the negative post on the
mechanism as outlined.
necessary) as outlined
RING
CONVERTER
GEAR
BOLT AREA
DEPRESSED
WELDS
TRANS.
AUTOMATIC
CHEVROLET TRUCK SERVICE MANUAL
in