GMC 1989 Light Duty Truck Repair Manual page 39

L.
M.
9.
17.
Figure 48— Installing the Compressor Shell
19. Seal (31) and bushing (30) to the rear of the dis­
charge cross-over tu be (26).
20. R ear suction reed (48) over the dowel pins (45).
• P lace the slot toward the sump.
21. R ear discharge valve plate (49) over the dowel pins
(45).
• P lace the reed retainer up.
22. Inner oil pum p gar (50) over the shaft (39).
• Line up the identification marks.
23. O uter oil pum p g ear (51) over the inner g ear (figure
50).
• Line up the identification marks.
• Face the com pressor oil sum p and position
the outer g ear (51) so that it m eshes with the
inner g ear (50) at the 9 o 'clock position. T h e
cavity betw een the g e a r teeth will be at the 3
o 'clock position.
24. Seal (52) to the d ischarge valve plate (49).
• Lubricate the seal (52), shell (9), discharge
plate (49) and gears (50 and 51) with 5 2 5 vis­
cosity refrigerant oil.
25. Suction screen (58) to the rear head (54).
A-6 AIR CONDITIONING COMPRESSOR 1B1-21
F -01393