Control/Distribution Center - Vanguard CPW 125-4-S Series Operation And Maintenance Manual

Warning! Pressurized system! Only remove the radiator filler cap when the engine is cool, then loosen cap slowly to
relieve the pressure. To prevent the possibility of personal injury, do not remove the cap on a hot engine. Wait until
the coolant temperature is below 50°C (120°F) before removing the radiator pressure cap. Refer to Cummins®
Operation and Maintenance Manual QSB4.5 and QSB6.7 Engine (Bulletin 4021531); see the appendices at the end of
the Weld-Deck Operation and Maintenance Manual, Weld-Deck welding package CPW 125-4-S2-4.
5. Removing the filler cap is not necessary to check the coolant level. Use the sight glass (2) at the top of the radiator for
checking the daily coolant level. With the engine temperature below 50°C (120°F), use the sight-gauge (2) to check that the
coolant level fully covers the sight gauge. Top up the radiator via its fill cap through the small access door. Note: View the
sight gauge from the access panels on the left or turbo side of the engine. Note: Low coolant level or high coolant
temperature will result in an engine fault condition, automatically shutting down the engine.
6. Check the engine oil level using the dipstick(3), top up as required via the oil fill (4).Refer to Operation and
Maintenance Manual, "Engine Oil Level - Check" for more information. Note: Low engine oil pressure will result in an
engine alarm condition, automatically shutting down the engine.
7. Ensure the battery switch (5) is at the ON (I) position; in the ON position, the switch key will not be able to be removed.
8. Close the genset's main service doors.

Control/Distribution Center

1. Ensure that the Emergency stop button (1) is fully pulled
out.
2. Open the full main door and ensure that all of the required
circuit breakers are set; refer to the following sections of this
manual: Three Phase Equipment Circuit Breakers and
Receptacles, 60Hz Single Phase Front-Mounted Equipment
Receptacles and Circuit Breakers with Ground Fault Circuit
Interrupters (GFCI) — Standard Receptacles, and 50Hz Single
Phase Front-Mounted Equipment Receptacles and Circuit
Breakers with Feeder Circuit Ground Fault Circuit Interrupters
(GFCI) — Optional Receptacles
Note: Only energise the single phase equipment circuit breakers
required for the intended operational frequency.
3. Close the main door.
4. Open the window-door on the control/distribution center to
access the operator controls. Push the WHITE LAMP button (2).
The two LED lamps (3), the AC power meters (4) and the DC
voltmeter (5) should light-up. The DC voltmeter (5) should
indicate approximately 24VDC. If the lights do not work, and no
voltage is shown on the DC voltmeter, then recheck that the RED
emergency stop button (1)is pulled out fully and that the battery
switch in the engine compartment is in the ON (I) position. If DC
voltage is still not present, check the DC fuses as described in the Troubleshooting section in this manual.
5. Check that the Rated/Idle switch (6)—Hare/Turtle—is in the Idle position ().
6. Return to the control/distribution center and move the genset Stop/Run/Start switch (7) to the stop
037-08OP-002D-01 S/N CB50600021 – UP (Weld-deck)
3
5
4
3
2
1
Figure 46: Control/Distribution Center prestart checks
6 7
037-05-63-316A
position ().
60