Chevrolet 10 series 1973, Руководство по капитальному ремонту

Страница: 172 / 522

E N G IN E 6-31
2. Using Tool Set J-6098, with nut then thrust washer
installed to end of threads, index pilot in camshaft
front bearing and install puller screw through pilot.
3. Index camshaft bearing in bore (with oil hole
aligned as outlined below), then install remover and
installer tool on puller screw with shoulder toward
bearing.
a. In Line Engines—All cam bearing oil holes must
be aligned with oil hole in cam bore.
b. Small V8 Engines-Number one cam bearing oil
hole must be positioned so that oil holes are
equidistant from 6 o'clock position. Number two
through number four bearing oil holes must be
positioned at 5 o'clock position (toward left side
of engine and at a position even with bottom of
cylinder bore). Number five bearing oil hole
must be in 12 o'clock position.
c. Mark IV V8 Engines—Number one through
number four cam bearing oil hole must be
aligned with oil holes in cam bearing bore. The
number five bearing bore is annulus and cam
bearing must be positioned at or near the 6
o'clock position.
4. Using two wrenches, hold puller screw while
turning nut. After bearing has been pulled into
bore, remove the remover and installer tool
from puller screw and check alignment of oil
hole in camshaft bearing (fig. 67).
5. Install remaining bearings in the same manner.
It will be necessary to index pilot in the
camshaft rear bearing to install the rear
intermediate bearing.
6. Install a new camshaft rear plug.
NOTE: Plug should be installed flush to
1/32" deep and be parallel with rear surface
of cylinder block.
CYLINDER BLOCK
Cleaning and Inspection
1. Wash cylinder block thoroughly in cleaning solvent
and clean all gasket surfaces.
2. Remove oil gallery plugs and clean all oil passages.
NOTE: These plugs may be removed with a
Fig. 6 4 —M easuring C a m sha ft End Play
Fig. 6 5 —Oil Nozzle Replacem ent (In-L in e )
sharp punch or they may be drilled and pried
out.
3. Clean and inspect water passages in the cylinder
block.
4. Inspect the cylinder block for cracks in the cylinder
walls, water jacket, valve lifter bores and main
bearing webs.
5. Measure the cylinder walls for taper, out-of-round
or excessive ridge at top of ring travel. This should
be done with a dial indicator. Set the gauge so that
the thrust pin must be forced in about 1/4" to enter
gauge in cylinder bore. Center gauge in cylinder
and turn dial to "0". Carefully work gauge up and
OVERHAUL MANUAL