Unit Description
36
Engine Compartment Components
The following maintenance items can be checked visually.
Air Filter Restriction Indicator: The air filter restriction
indicator is attached to the engine intake manifold. When the
diaphragm indicates 25, service the air filter. Press the button
on the bottom of the restriction indicator to reset after servicing
the air cleaner.
Compressor Oil Sight Glass: Use this sight glass to check
the compressor oil level. Check the compressor oil when there
is evidence of oil loss (leaks). Refer to the unit Maintenance
Manual for the correct procedure.
Engine Oil Dipstick: Use the engine oil dipstick to check
the engine oil level.
1. Air Filter Restriction Indicator
2. Receiver Tank Sight Glass
3. Engine Oil Dipstick
4. Compressor Oil Sight Glass
Figure 13: Engine Compartment
34
WARNING: The unit can start at any time without
warning. Press the O
FF key on the HMI control panel
and place the microprocessor On/Off switch in the
Off position before inspecting any part of the unit.
CAUTION: Make sure the engine is turned off before
attempting to check the engine oil.
Unit Description
36
Engine Compartment Components
The following maintenance items can be checked visually.
Air Filter Restriction Indicator: The air filter restriction
indicator is attached to the engine intake manifold. When the
diaphragm indicates 25, service the air filter. Press the button
on the bottom of the restriction indicator to reset after servicing
the air cleaner.
Compressor Oil Sight Glass: Use this sight glass to check
the compressor oil level. Check the compressor oil when there
is evidence of oil loss (leaks). Refer to the unit Maintenance
Manual for the correct procedure.
Engine Oil Dipstick: Use the engine oil dipstick to check
the engine oil level.
1. Air Filter Restriction Indicator
2. Receiver Tank Sight Glass
3. Engine Oil Dipstick
4. Compressor Oil Sight Glass
Figure 13: Engine Compartment
34
WARNING: The unit can start at any time without
warning. Press the O
FF key on the HMI control panel
and place the microprocessor On/Off switch in the
Off position before inspecting any part of the unit.
CAUTION: Make sure the engine is turned off before
attempting to check the engine oil.
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