SECTION 3 - CHASSIS & SCISSOR ARMS
3-14
3121788
3.7
PUMP CONTROL MODULE
The pump control module (item 7 - “Main Power Con-
tactor Relay and pump control Module” on page 3-13) is
located inside the left side component door, mounted
to the side of the battery box. Use the following instruc-
tions when replacing the pump control module.
Removal
1.
Turn machine power off.
2.
Open the left side component door on the
machine, disconnect the battery (+) terminal.
3.
Tag and note the cable/wire terminal locations
before removing the pump control module.
4.
Disconnect all wire connectors and cables from
the pump control module and remove it from
the machine.
Installation
1.
When installing the pump control module, be
sure that the terminals are oriented as shown in
“Main Power Contactor Relay and pump control
Module” on page 3-13.
2.
After installing the new power module, begin
connecting the wire connectors/cables to the
module.
3.
Torque all terminal bolts to torque specifications
as shown in Table 3-4. Overtightening could
damage the module.
4.
After all connections to the pump module are
made, the batteries can be reconnected.
5.
Close the left side compartment door.
6.
Power up machine and check for normal
machine operation.
Table 3-4. Pump Control Module Specifications
Nominal Voltage:
IGN Active Range:
Normal Operation:
Current Cutback Above
24 V
8 to 40 V
12 to 36 V
185° F (85° C)
Voltage:
Under Voltage Cutback:
Under Voltage Cutback Rate:
Under Voltage Cutoff:
Over Voltage Cutoff:
12 V
Linear
9.6 V
36 V
Maximum Current Limits
2 Min. Continuous:
1 Hr. Continuous:
300 A
120 A at 50% duty cycle
Terminal Bolt Torque:
80-100 in. lbs.
(9.1-11.3 Nm)
Table 3-5. Pump Power Module Terminal
Functions (CO117-J1)
J1-1
Power Input (8 - 40 V) - Input
J1-2
Speed Command Input(0-5 V) - Input
J1-3
Low-Side Driver for Contactor - Output
J1-4
CAN BUS High Signal - Input/Output
J1-5
CAN BUS Low Signal - Input/Output
J1-6
Active High Input(24 V ON/OV OFF)-Input
J1-7
No Connect
J1-8
No Connect
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