United Technologies Carrier Transicold 69UG15, Operation And Service

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5–7 T-360
5.4.14 Intake Heater Test
1. Disconnect the lead from the heater terminal (1).
2. Measure the resistance between the heater positive terminal (1) and the heater body (2).
3. If the resistance is infinity or significantly different than the specification, resistance (cold) 0.3 ohms, replace
the heater.
Figure 5.6 Intake Heater
5.4.15 Intake Heater Service
1. Remove harness connection from heater.
2. Remove intake transition mounting hardware.
3. Remove intake transition, heater and both gaskets.
4. Clean old gasket material off the transition and manifold mounting services.
5. Install new heater with a new gasket on either side.
6. Assemble transition to heater and torque mounting hardware (refer to engine manual for torque values).
7. Reconnect harness to heater connection point.
8. Coat stud on heater with protective coating.
5.4.16 Intake Heater Switch
1. Remove control box cover.
2. Remove all connections going to heater switch (HS).
3. Remove heater switch from control box.
4. Install new heater switch.
5. Reconnect wire harness connections to switch.
6. Confirm wires are connected to correct terminals.
7. Reinstall control box cover.
5.5 SERVICING THE AC GENERATOR
5.5.1 Remove and Replace Procedure
The only serviceable parts on the Generator are the Drive Gear (metal), Key, Fan, and Fan Cover. If there is a
problem with the Generator, it should be replaced using the following procedure:
NOTICE
For additional torque values refer to Section 5.7 .
P o s i t i v e
Terminal
Heater Body