Carrier 38AH044-134 - Manual (Page 50)

9. Units 38AH094, 104:
a. Remove 4 large screws securing compressor to the com­
pressor rails.
b. Lift compressor off mounting bolts and remove.
Compressor Replacement — Perform the following:
1. Reverse procedure in Compressor Removal section to end
of Step 4.
2. Reinstall service valves and safety switches, and tighten
to torques as listed:
Torque
Tighten discharge valves to —
20-25 ft-lbs ( 27- 34 N-m)
80-90 ft-lbs (109-122 N-m)
Tighten suction valves to —
80- 90 ft-lbs (109-122 N-m)
90-120 ft-lbs (122-163 N-m)
Tighten the following fittings as specified —
60 ft-lbs (81 N-m) Discharge Gas Thermostat
120 in.-lbs (13.5 N-m) High-Pressure Switch, Fan-
Cycling Pressure Switch
120 in.-lbs (13.5 N-m) Low-Pressure Switch
3. Leak-check and evacuate system, reclaim refrigerant.
4. Recharge system per pre-start-up and start-up sequences.
Recheck oil levels.
5. Energize crankcase heater for 24 hours prior to restart of
system.
Compressor(s)
06E-250
06E-265,275,299
06E-250
06E-265,275,299
OIL CHARGE — (Refer to Table 3A, 3B, 4A, or 4B.) All
units are factory charged with oil. Acceptable oil level for
each compressor is from Vs to Vs of sight glass (see Fig. 29,
page 38).
When additional oil or a complete charge is required, use
only Carrier-approved compressor oil.
Approved oils are:
Petroleum Specialties, Inc. — Cryol 150A (factory oil charge)
Texaco, Inc.
— Capella WF-32-150
Witco Chemical Co. — Suniso 3GS
COMPRESSOR
OIL REQUIRED
Pts L
06E-250 17 80
06E-265 21 99
06E-275 21 9.9
06E-299 19 90
Do not reuse drained oil, and do not use any oil that has
been exposed to atmosphere.
Adjust oil level in accordance with Start-Up, Preliminary
Oil Charge, page 38.
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