Chevrolet 1988 Light Duty Truck Repair Manual page 88

1B5-2 HR-6 AIR CONDITIONING COMPRESSOR
A. W ith o u t T orque C u s h io n
B. T h in Torque C u s h io n
-6
Figure 3— HR Clutch Driver Designs
Keep dirt or foreign material from getting on or into the
com pressor parts and system. Keep the work area and
tools clean.
Keep the parts clean at all times. Clean assembled
parts with Trichloroethane, naphtha, Stoddard solvent,
1. S h a ft N ut
2. C lu tc h P late and H u b A s s e m b ly
3. P u lle y B e a rin g R e ta in e r
4. P u lle y B e a rin g
5. P u lle y
6. C lu tc h C o il A s s e m b ly
7. T h ro u g h B o lts (6)
8. S h a ft Seal P arts
11. F ro n t H ead
12. H ead G a ske t
13. Valve P late (D is ch a rg e )
14. S u c tio n Reed P late
15. C y lin d e r Seal
16. F ro n t C y lin d e r
18. S h a ft B e a rin g (2)
19. T h ru s t B a e rin g and R aces (2)
20. A x ia l P late S h a ft A s s e m b ly
21. S h a ft Key
22. C y lin d e r Seal
23. Rear Seal
24. C y lin d e r Seal
25. S u c tio n Reed P late
26. Valve P late (D is c h a rg e )
27. H ead G a ske t
28. R ear H ead
29. S w itc h Seal
30. S yste m C o n tro l S w itc h
31. R e ta in e r R in g -S w itc h
32. H ig h P re ssu re R e lie f Valve
33. Seal (O -ring)
A. Im p o rta n t: S h a d e d p a rts are n o t
s e rv ic e a b le and m u s t be re p la c e d as a k it
kerosene or equivalent solvent and dry with dry air. Use
only lint free cloths to wipe parts.
Drain and measure the refrigerant oil. Add new 525 vis­
cosity refrigerant oil to the compressor. Refer to " S pecifi­
cations."
IDENTIFICATION
An ide n tificatio n label attached to the com pressor
provides the name of the manufacturer, model num ber
and build code. If the label is removed or becomes
dislodged during service operation, reattach it using an
adhesive sealant such as Loctite 312 or equivalent.
F-05646
Figure 4— H R -6 Com ponent View