Product Manual

Page 23 of 29
After Each Use
⚠WARNING
 Store the equipment in a dry place with good ventilation. Do not expose it to excessive heat,
humidity or sunlight. Never let it touch any corrosive substances.
 Used engine oil is toxic and should be properly disposed of or recycled.
Maintenance
Maintain the product by adopting a program of conscientious repair and maintenance in accordance
with the following recommended procedures. It is recommended that the general condition of any tool
be examined before it is used. Keep your tool in good repair. Keep handles dry, clean, and free from
oil and grease. Also refer to the engine manufacturer’s instruction manual for additional information
about engine maintenance. The following chart is based on a normal operation schedule.
Maintenance Interval
Maintenance Point
Daily before operating:
Clean the unit. Use only soap and a damp cloth to clean the oil
drain. Many household cleaners are harmful to plastics and
other insulation.
Troubleshooting
Problem
Cause
Solution
When turning on the air
source, the vacuum gauge
index doesn’t move.
Vacuum gauge is damaged
or has a jam.
Change the vacuum gauge.
The index on vacuum
gauge won’t reach the
green area.
1. Air supply pressure is too
low.
2. Not enough air flow.
1. Increase the air supply pressure.
2. Enlarge the air inlet diameter by
shortening the hose length.
The vacuum gauge index
reaches the green area but
oil still can’t be suctioned.
1. Oil temperature is too low.
2. There is a jam in the
suction hose valve.
3. There is a jam inside the
suction hose or suction
fitting.
1. Increase the oil temperature
(start the engine, etc.).
2. Clean the valve.
3. Clean or change the suction
hose or suction fitting.
The vacuum gauge has a
leak and won’t suction the
oil.
1. O-ring within the suction
fitting is broken.
2. The bottom of the suction
hose is higher than the oil
level.
1. Change the O-ring immediately.
2. Keep the suction hose straight
and ensure the hose reaches
the oil.