Compatible fitting repair, Condenser, Lubrication – Carrier 38GC User Manual
Page 11
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CAPILLARY SYSTEMS (cont)
COMPATIBLE FITTING REPAIR
Leaking Mechanical Connection
— Frontseat con
densing unit service valves and relieve refrigerant
pressure in tubing Back locknut off Compatible
Fitting onto tube. Cut fitting between threads and
seal ring head as shown in Fig. 25. Remove tubing
section remaining in threaded portion of fitting.
Discard locknut.
Clean, flux, and insert new tube end into
remaining portion of Compatible Fitting. Wrap
valve base in wet rag. Heat and apply low
temperature (450 F) solder.
Leaking Sweat Connection
— Frontseat service
valves and relieve refrigerant pressure in tubing.
Clean and flux area around leak and apply low
temperature (450 F) solder.
Evacuate or purge evaporator coil and tubing
system. Add refrigerant charge (see charging
instructions).
CONDENSER
Coil Cleaning
— Clean by washing with dry
refrigerant, low-pressure water, or steam.
Fan Position
— Required fan position is shown in
Fig. 26. Adjust fan by loosening setscrews and
moving blades up or down.
Fig. 26 — Condenser Fan Position
Table 7 — Fan Positions
UNIT 38
DIMENSION “A” (in.)
GCÏ01, 102, 103
IH
GC104, 145
1^/2
(Lau)
1 (Brookside)
GC105
^ 1%
GF102, 103
1% (Lau)
1 (Brookside)
GF104, 145
IV,
GF105, 106
1%
Fan Motor Removal
1
.
2
.
Shut off power to unit.
Remove unit top cover (grille), rear access panel
and control box cover.
3. Disconnect fan motor wires from fan capacitor
and control relay or contactor. Pull wires thru
rear of control box.
4. Loosen setscrews holding fan to motor shaft
and remove fan.
5.
Remove bolts holding fan motor to motor
mounting bracket. Remove motor thru top of
unit.
LUBRICATION
Fan Motor Bearings
are prelubricated for three
years heavy duty or five years normal duty. When
lubrication is necessary, send motor to authorized
motor repair shop.
Compressor
contains factory oil charge. When oil is
lost, see Table 6 for oil charge and Carrier Standard
Service Techniques Manual, Chapter 1, page 1-21,
for instructions. Use Carrier PP33-1, Texaco
Capella B or Suniso 3 G oil.
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