GMC 1976 ZEO 6083 Maintenance Manual page 86

Figure 36-Disconnecting Lines to Receiver
Dehydrator, Type 2
dehydrator for support. This will prevent twisting
and possible breaking of the aluminum lines (See
figures 35 and 36).
2. Loosen holding straps and slide out receiver-
dehydrator.
AIR CONDITIONING SYSTEM 1- 69
3. To install, reverse steps 1 and 2 being sure to
add 1 ounce of clean refrigeration oil and install new
"O" rings.
BLOWER ASSEMBLY (FIGURE 37)
REPLACEMENT
1 . Disconnect the battery ground cables .
2. Disconnect the blower motor lead and ground
wires.
3 . Disconnect the blower motor cooling tube .
4. Remove the blower to case attaching screws
and remove the blower assembly . Pry the blower
flange away from the case carefully if the sealer acts
as an adhesive .
5 . Remove the nut attaching the blower wheel to
the motor shaft and separate the assemblies .
6. To install, reverse Steps 1-5 above; replace
sealer as necessary.
BLOWER ASSEMBLY
EVAPORATOR & HEATER CORE HOUSING
CASE
HEATER CORE
A-2312
Figure 37-Evaporator and Heater Housing Components, Typical