Carrier 69NT40-541-001 Operation And Service page 19

The set screw on the crankshaft must be removed for this type of oil pump.
Use only Carrier Transicold approved Polyol Ester Oil (POE) - Mobil ST32 compressor oil with
R-134a. Buy in quantities of one quart or smaller. When using this hygroscopic oil, immediately
reseal. Do not leave container of oil open or contamination will occur.
Take necessary steps (place plywood over coil or use sling on motor) to prevent motor from
falling into condenser coil.
If the thermostatic expansion valve is found to be in need of replacement, then the powerhead
and cage assembly are to replaced as a pair. They are a matched pair and replacing one with-
out the other will affect the superheat setting.
DO NOT disassemble piston from NEW suction modulating valve power-head assembly. Doing
so may result in damage to piston.
The unit must be OFF whenever a program ming card is inserted or removed from the control-
ler programming port.
Do not allow moisture to enter wire splice area as this may affect the sensor resistance.
Do not allow the recorder stylus to snap back down. The stylus arm base is spring loaded, and
damage may occur to the chart, or the stylus force may be altered.
The inside mechanism of the recorder, particularly the inside of the element housing should
never be oiled, however, control mechanisms should be sprayed periodically (every 60 days)
with corrosion inhibiting CRC 3-36a or 6-66 or LPS no. 2.
Recorder element capillary tubing may be bent, but never sharper than 1/2" radius; extra care
should be taken when bending adjacent to welds. The bulb should never be bent, as this will
affect calibration.
CAUTION
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CAUTION
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CAUTION
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CAUTION
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CAUTION
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CAUTION
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CAUTION
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CAUTION
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CAUTION
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CAUTION
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