Maintenance
34 Owner’s Manual for Stationary Diesel Generators
NOTE: On 2.5L models, start ten screws to install
louvered air intake panel. Alternately tighten screws to 90
in-lb (10 N-m) using a crosswise pattern.
Check Fluid Level
Check the fluid level of unsealed batteries. If necessary,
fill with distilled water only. DO NOT use tap water.
Check State of Charge
Check the state of charge using a Digital Multimeter.
Recharge and retest if state of charge is below
manufacturer's recommendations. Replace battery if
necessary.
Battery Replacement
Removal
1. Remove negative battery cable (black) (B) from
negative (-) battery terminal.
2. Remove positive battery cable (red) (A) from
positive (+) battery terminal.
3. See Figure 5-12. Install rubber protective cover
(C) over positive (+) battery terminal.
4. Loosen two screws with nylon washers to release
battery hold-down clamp from battery tray, or
loosen strap and position away from tray.
5. Grasp battery strap (D) next to positive (+) battery
terminal, and lift battery.
6. When battery tilts sideways, remove from opening.
7. Remove rubber protective cover from positive (+)
battery terminal.
Installation
NOTE: Always connect the positive (+) battery cable
first. If the positive cable should contact ground with the
negative cable installed, the resulting sparks may cause
a battery explosion.
Figure 5-12. Remove/Install Battery
1. See Figure 5-12. Install rubber protective cover
(C) over positive (+) battery terminal.
2. Grasp battery strap (D) next to positive (+) battery
terminal, and lift battery.
3. When battery tilts sideways, insert into opening.
4. Return battery to the horizontal position while
sliding it onto battery tray.
5. Tighten two screws with nylon washers to secure
hold-down clamp to battery tray, or tighten strap
over top of battery.
6. Remove rubber protective cover from positive (+)
terminal.
7. Install battery positive cable (red) to battery
positive (+) battery terminal.
8. Install battery negative cable (black) to negative (-)
battery terminal.
Check and Adjust V-Belt
Check the V-belt deflection. Too little belt deflection
accelerates belt wear, while too much deflection causes
the pulley to idle, overheats the engine, and creates a no-
load condition. Check and adjust belt deflection as
follows:
1. On right side of enclosure, loosen two clamps at
each end of turbocharger exhaust outlet pipe.
Remove pipe, clamps and rubber couplings from
engine.
2. Remove four screws with nylon washers to release
fan guard from radiator shroud.
3. Perform visual inspection as follows:
• Inspect belt for cracks, fraying, excessive wear or
other damage.
• Verify belt is free of grease and oil. Replace belt if
contaminated.
(000130)
WARNING
Accidental Start-up. Disconnect the negative battery
cable, then the positive battery cable when working
on unit. Failure to do so could result in death
or serious injury.
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