TM 5-3805-280-24-2
System Controls
CONNECTING ENGINE AND PUMP
CONTROLLER (EPC) HARNESS
CONNECTOR
IMPORTANT: Do not disconnect electrical connectors
while the engine is running. Damage to
Engine and Pump Controller, or other
components may result. Disconnect
connectors only when instructed during
a test or check.
1. Push connectors into engine and pump controller.
A--Connector
2. Do Engine Speed Learning Procedure. (See procedure
B--Connector
in Group 1671.)
C--Connector
TX,16,UU3984
1919SEP981/1
REMOVE AND INSTALL ENGINE AND PUMP
CONTROLLER (EPC)
IMPORTANT: If a controller problem is indicated, the
real problem may be poor connector pin
16
contact. Before replacing engine and
1675
pump controller or troubleshooting the
3
circuits, clean all terminals in the
monitor controller, engine and pump
controller, and harness connectors
using a non-conductive, lubricating
contact cleaner. Check machine
operation again before proceeding.
A--Connector
TY16324 Contact Cleaner may be used.
B--Connector
C--Connector
1. Disconnect battery ground cable.
D--Cover Plate
E--Screws
F--Screw (4 used)
2. Move seat forward and remove access cover.
G--Engine and Pump Controller (EPC)
3. Disconnect cable connectors (A--C).
4. Remove cap screws (F) and remove engine and pump
controller (G).
5. Install engine and pump controller.
6. Do Engine Speed Learning Procedure. (See procedure
in Group 1671.)
TX,16,UU3985
1919SEP981/1
16-73
