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Automatic Lubrication System - Section 42
Page 42-10
SYSTEM CHECKOUT
To check system operation (not including timer),
proceed as follows:
1. Remove the dust covers from the injectors.
2. Start the engine.
3. Actuate the manual override button at the pump
assembly and observe pin movement at each
injector.
4. Check for pump, hose or injector damage or
leakage with the system under pressure.
5. After checking system, stop the engine.
Observing normal precautions regarding high
voltage present in the propulsion system before
attempting to repair lube system.
6. Re-install the injector dust covers.
Lubrication Controller Check
Pressing the manual lube button on the enclosure
cover will initiate a lube event (see Figure 42-7).
Lubrication Controller Components
Mode switch (2, Figure 42-7) consists of four dip
switches. The first, second and third dip switches are
not functional. These settings have been pre-set and
are not changeable.
The fourth dip switch is used to select "memory off"
or "memory on". When the switch is set to "memory
off", a lube cycle will occur each time power is turned
on. The lube cycle will start at the beginning of the on
time setting.
When the switch is set to "memory on", the controller
will function as follows:
1. When power is turned off during 'off time'
(between cycles), the lube cycle will resume at
the point of interruption after power is restored.
In other words, the controller will remember its
position in the cycle.
2. When power is turned off during 'on time'
(during a cycle), the controller will reset to the
beginning of the lube cycle after power is
restored.
The time between lube events is determined by the
setting of the Off Time rotary switch (1, Figure 42-7).
Off time switch is used to select units of time.
Possible time intervals are: 0.5, 1, 2, 4, 8, 15, 24 or
30 minutes.
Cover (3) contains three LED windows and a manual
lube switch. The LEDs indicate system operation and
status. When power is on, a green LED will
illuminate. When the pump is on, another green LED
will illuminate. A red LED will illuminate when an
alarm condition occurs.
Lubrication Controller Adjustment
The lubrication controller is factory set to the
following switch settings:
Dip Switch 1 - 120 SEC (not adjustable)
Dip Switch 2 - CONTROLLER (not adjustable)
Dip Switch 3 - MINUTES (not adjustable)
Dip Switch 4 - MEMORY OFF
Rotary Switch - 15 minutes
NOTE: Only dip switch 4 and the rotary switch are
adjustable.
7/11 OM4213
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Troubleshooting
