MAINTENANCE
WARNING:
Never use the air compressor which is operating
abnormally.
If the air compressor appears to be operating
unusually, making strange noises or vibration,
stop using it immediately and arrange for repairs
by a Makita authorized service center.
WARNING:
Use only genuine Makita replacement parts.
Replacement parts not manufactured by Makita
may void your warranty and can lead to
malfunction and result in injuries. Genuine Makita
parts are available from an authorized dealer.
WARNING:
UNIT CYCLES AUTOMATICALLY WHEN
POWER IS ON. WHEN DOING MAINTENANCE,
YOU MAY BE EXPOSED TO VOLTAGE SOURCES,
COMPRESSED AIR OR MOVING PARTS.
PERSONAL INJURIES CAN OCCUR. BEFORE
PERFORMING ANY MAINTENANCE OR REPAIR,
UNPLUG THE COMPRESSOR AND BLEED OFF
ALL AIR PRESSURE.
To ensure efficient operation and longer life of the air
compressor unit, a routine maintenance schedule should
be prepared and followed. The following routine
maintenance schedule is geared to a unit in a normal
working environment operating on a daily basis. If
necessary, the schedule should be modified to suit the
1) TROUBLE SHOOTING
PROBLEM
Will not start
Low pressure
Safety valve releasing
2) WARNING!
Wrong way to transport and lift will lead machine damaged.
Daily maintenance
1. Before each use:
A Be sure all nuts and bolts are tight.
B Check for unusual noise or vibration.
2. After each use:
Exhaust all the air in the air storage tank. Open the
drain cock at the bottom of the air storage tank to drain
condensation from tank.
3. Weekly maintenance:
A Check performance of safety valve.
B Check the air switch the designed rated pressure
is 2.8 Mpa.
8
CAUSE
Fuse blown or circuit breaker tripped;
Loose electrical connections;
Extension cord not correct;
Overheated motor
Air leak in safety valve
Restricted air filter
Defective check valve
Defective pressure switch or improper
adjustment
conditions under which your compressor is used. The
modifications will depend upon the hours of operation and
the working environment. Compressor units in an
extremely dirty and/or hostile environment will require a
greater frequency of all maintenance checks.
ROUTINE MAINTENANCE SCHEDULE
1. Drain water from the air tank, any moisture separators
or air filter regulators.
2. Check for any unusual noise and/or vibration.
3. Manually check all safety valves to make sure they are
operating properly.
WARNING: Risk of bursting.
Check Safety Valve. If safety valve does not operate
properly over pressurization of the air tank may result
in rupture or explosion causing personal injury and
property damage.
4. Inspect air filter, replace if necessary.
5. Inspect air lines and fittings for leaks; correct as
necessary.
Each year of operation or if a problem is suspected:
• Check condition of air compressor pump intake and
exhaust valves.
• Check condition of check valve. Replace if
damaged or worn out.
6. Keep all screws, bolts, and covers properly tightened.
Check their conditions periodically.
WARNING:
Keep All Screws, Bolts and Covers Properly
Tightened. If screws, plates or covers become loose
personal injury or property damage may occur.
Check for cause and replace or reset; Check
wiring connections Max.15m/50ft., min.
14ga; Use reset button/wait for automatic
reset
Check valve manually: pull up ward on rings.
If condition persists, replace valve; Clean or
replace air filter; Replace check valve.
Check for proper adjustment and if problem
persists, replace pressure switch
C Clean the air filter.
4. Monthly maintenance:
A Inspect air system for leaks by applying soapy
water to all joints. Tighten those joints if leakage is
observed.
B Check that all nuts and bolts stay tight.
C Replace the air filter with a new one.
D Clean surface of air compressor.
5. Quarterly maintenance:
A Check the cylinder and piston see to if wore.
CORRECTION