15. Apply sealing compound as shown in
Figure 10D-19 around components using
Dow Chemical RTV Silastic 732 silicone
rubber seal or equivalent, available at
hardware stores.
Keep metal clips per-
fectly clean and free of rubber seal.
16. Test regulator to see if it works. If
If defective,
okay, r e t u r n t o s e r v i c e .
replace complete regulator assembly.
To reassemble the alter-
REASSEMBLY.
nator, proceed as follows:
1. Place over each stud IN THIS ORDER
(see Figure 10D-14 on page 10D-13); the
two diode leads, the stator lead, the (R)
terminal lead on one stud only, the regu-
lator lead and the nut.
Figure 10D-18. Checking Transistor
TR1
2. Install the gasket, cover and cover
plate.
A. Both readings should be very high.
If not, replace transistor.
B e a r i n g Replacement
B. S h o u l d r e a d v e r y h i g h a n d l o w . I f
not, replace transistor.
To replace a
DRIVE END BEARING.
drive end bearing, proceed as follows:
C . R e p e a t Step B.
1. Remove shaft nut, washer, pulley,
13. I f n o d e f e c t s h a v e b e e n f o u n d , r e -
fan, slinger and the four retainer plate
place complete regulator assembly.
bolts, then remove the rotor and bearing
assembly from the end frame.
repaired,
was
regulator
14. If
r e a s s e m b l e , using silicone grease on both
2. Pull the bearing from the rotor shaft,
sides of mica under transistor TR1.
separate retainer plate and collar from
shaft, and discard seals in retainer plate
and end frame.
3. Add Delco-Remy lubricant No. 1948791
so each reservoir between the bearing
and seal after assembly will be only three
Arrange the lubricant so
quarters full.
at least a portion will contact the bearing
Otherwise the oil in
after reassembly.
the lubricant will not bleed to the bear-
Also add lubricant to each seal lip
ing.
and fill the cavity with lubricant between
the rubber lip and steel case of each
The seals must be assembled so
seal.
the seal lip is toward or next to the bear-
ing.
4. Lubricate collar, then install collar
and retainer plate, then press against
the inner race only to install the new
bearing onto the shaft against the collar.
5. The remaining assembly procedure is
F i g u r e 10D-19. R u b b e r S e a l A p p l i e d
the reverse of disassembly.
to Regulator
