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311594Z 23
TDC Sensor Kit 15H877
NOTE: TDC Sensor Kit 15H877 replaces the TDC sen-
sor. Use all the new parts in the kit. The kit includes
manual 311601.
1. Jog the motor to bring the lower on the side oppo-
site from the motor to the bottom of its stroke.
2. Relieve pressure, page 9.
3. Shut off electrical power to the unit.
4. Remove two screws (12) and the cover (32).
5. See F
IG
. 12. Remove six screws (12), the circuit
board cover (34), and the gasket (33).
6. Disconnect the transducer cable (25a) from J1 on
the circuit board (25c). See F
IG
. 9, page 20.
7. Disconnect the TDC cable (25b) from J2 on the cir-
cuit board (25c).
8. Disconnect the IS circuit field wire from J2 and J3.
See the Electrical Diagrams, page 12.
9. See F
IG
. 12. Remove four screws (12) and the cir-
cuit board (25c).
10. Unscrew the TDC sensor (25b) from the gear hous-
ing.
11. Apply pipe sealant and screw the TDC sensor (25b)
into the gear housing. Torque to 66-78 in-lb (7.4-8.8
N•m).
NOTE: TDC sensor nuts are locked in place to ensure
correct positioning. Do not adjust.
12. Install the circuit board (25c) using four screws (12).
13. Reconnect the TDC cable (25b) to J2 on the circuit
board (25c).
14. Reconnect the transducer cable (25a) to J1 on the
circuit board (25c).
15. Reconnect the IS circuit field wire to J2 and J3. See
the Electrical Diagrams, page 12.
16. Install the new gasket (33), the cover (34), and six
screws (12).
17. Reinstall the cover (32) with two screws (12).
F
IG
. 12. TDC Sensor
12
343325c
25b
ti8725b
Torque to 66-78 in-lb (7.4-8.8 N•m).
11
11