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D-1
SAFETY PRECAUTIONS
WARNING
•Have a qualified technician do the maintenance
and troubleshooting work.
•Turn the engine off before working inside the
machine.
•Remove guards only when necessary and replace
them when the maintenance requiring their
removal is complete.
•Always use the greatest care when working near
moving parts.
------------------------------------------------------------------------
Read the Safety Precautions in front of this manual and
the engine instruction manual before working on this
machine.
Keep all equipment safety guards, covers and devices
in position and in good repair. Keep hands, hair, cloth-
ing and tools away from V-belts, gears, fans and all
other moving parts when starting, operating or repair-
ing the equipment.
ROUTINE AND PERIODIC
MAINTENANCE
DAILY
a. Check the crankcase oil level .
b. Refill the fuel tank to minimize moisture condensa-
tion in the tank.
c. Open the water drain valve located on the bottom of
the water separator element 1 or 2 turns and allow to
drain into a container suitable for diesel fuel for 2 to
3 seconds. Repeat the above drainage procedure
until diesel fuel is detected in the container.
WEEKLY
Blow out the machine with low pressure air periodical-
ly. In particularly dirty locations, this may be required
once a week.
MAINTENANCE
ENGINE MAINTENANCE
Refer to the "Periodic Checks" section of the Engine
Operator's Manual for the recommended maintenance
schedule of the following:
a) Engine Oil and Filter
b) Air Cleaner
c) Fuel Filter - and Delivery System
d) Cooling Blower Belt
e) Battery
f)
Cooling System
Refer to Table D.1 at the end of this section for various
engine maintenance components.
AIR FILTER
EXCESSIVE AIR FILTER RESTRICTION WILL
RESULT IN REDUCED ENGINE LIFE.
1. Service air cleaner regularly according to Engine
Operator's Manual.
2. Stop engine after 100 hours of running time and
clean filter element, replace the filter if necessary.
------------------------------------------------------------------------
The air filter canister is located behind the engine door
on top of the air intake box.
The air filter element is a dry cartridge type. It can be
cleaned and reused; however, damaged elements
should not be reused. Remove loose dirt from element
with compressed air or water hose directed from inside
out. Compressed Air: 100 psi maximum with nozzles
at least one inch away from element. Water Hose: 40
psi maximum without nozzle.
Soak element in a mild detergent solution for 15 min-
utes. Do not soak more than 24 hours. Swish element
around in the solution to help remove dirt. Rinse ele-
ments from inside out with a gentle stream of water
(less than 40 psi) to remove all suds and dirt. Dry ele-
ment before reuse with warm air at less than 1600F
(710C). Do not use a light bulb to dry the element.
Inspect for holes and tears by looking through the ele-
ment toward a bright light. Check for damaged gaskets
or dented metal parts. Do not reuse damaged ele-
ments. Protect element from dust and damage during
drying and storage.
Replace air filter after six cleanings. A cleaned filter
will have approximately 70% of the life of a new filter
element. A restricted filter element may not appear
excessively dirty.
COMMANDER 300
CAUTION
D-1
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Table of Contents
Troubleshooting
