Operating instructions

7-2
f. Place cover and tachometer drive assembly on
pump housing, turning drive gear to mesh bevel gears,
and attach it temporarily with two sets of attaching
parts (8,9, 10).
NOTE
The oil screen and left-hand threaded
tachometer drive housing can best be
tightened after being installed on the
engine.
7-7. OIL PUMP ASSEMBLY -PERMOLD ENGINE
FULL FLOW TYPE FILTER (See Figure 4-19).
a. If oil pressure relief valve setting has been lost in
disassembly, screw adjusting nut (45) onto adjusting
screw (50) about halfway. Slide gasket (46) against
nut and install washer (49) and spring (48) on
adjusting screw (50) and plunger (47). Install
assembly in pump housing.
b. Install driven gear assembly (41, 42) on shaft.
Install driver gear assembly (38, 40) in pump housing
to mesh with driven gear. Install bevel gear (39) on
drive gearshaft. Apply permatex and silk thread to
parting surface.
c. RIGHT ANGLE TACH DRIVE. Install parts
indexed (30 through 37) as in paragraphs d, e, f in 7-6.
d. RIGHT ANGLE TACH DRIVE. Install new oil
seal (26) in cover (15). Work shaftgear assembly (27)
carefully through lips of oil seal. Install gaskets (20,
25), covers (19, 29), and secure with attaching parts
(16, 17, 18 and 21, 22, 23). Install assembly on pump
housing and loosely secure with two sets of attaching
parts (12, 13, 14).
e. On engines with the spin on type filter, install a
new gasket (6), adapter (5) and secure with attaching
parts (2, 3, 4).
For engines using the full flow filter as illustrated by
parts indexed (51 through 65) install new gasket (6)
and adapter (65) and secure with attaching parts (2,
3,4). Install gasket (62) on stud (61) and insert stud in
housing (60). Install element (63) in housing and
secure with nut (64). Install assembly on adapter (65).
Install spacer (59) and bracket (57) on stud and attach
with washers (52, 53) and screw (51).
7-8. STARTER AND DRIVE ASSEMBLY - WITH
GENERATOR DRIVE SHEAVE (See Figure 4-16).
a. Place depressed end of spring (29) over knurled
end of gear (33). Push spring away from depressed
end sidewise, work end coil over drum and push
spring inward until depressed end snaps into groove.
Install tab washer (28) and retaining screw (27).
b. Hold adapter (41), sleeve downward, and insert
shaftgear and clutch assembly. Bear down on worm
wheel (32) while turning counterclockwise, thus
winding up spring to start into adapter sleeve. Push
spring fully into sleeve. Install "0" ring (31) in
shaftgear groove.
c. Support inner race of bearing (37) on a steel ring
and press worm shaft (39) through until bearing is
seated against flange. Tap serviceable woodruff key
(38) into worm shaft key slot. Install spring (36) and
worm gear (35) on shaft.
d. Holding worm and shaft assembly vertical, slide it
into adapter and needle bearing. Invert adapter. With
Truarc pliers, compress and install retaining ring (34).
Test by hand for end clearance.
e. With Truarc pliers, compress and install retaining
ring (26) in cover (22). Press in ball bearing (30) and
new oil seal (25) with seal lip towards retaining ring.
Insert sleeve (24) into seal.
f. Install gasket (23) and cover assembly on adapter
and secure with attaching parts (17, 18, 19). Install
timing indicator (20) and secure with attaching parts
(17,18,19).
g. Install sheave (16) and attaching parts (13, 14, 15).
h. Install "O" ring (5) on starter pilot. Turn starter
shaft until its drive tongue aligns with worm drive
shaft slot. Mount starter (4) and secure with two sets
of attaching parts (1,2, 3).
7-9. STARTER AND DRIVE ASSEMBLY -
TYPICAL OF PERMOLD CRANKCASE (See
Figure 4-17).
a. Press bearing (23) onto shaft (27). Install spring
(25), Woodruff key (26) and worm gear (24). Insert
assembly into adapter and install retaining ring (22).