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Inspect / Clean Pump Air Filter
Use the following steps to inspect and clean the compressor
pump’s internal air filter.
1. With air tanks fully pressurized.
2. Turn engine ON/OFF switch to OFF position
(see Figure 9 earlier).
3. Move Fuel Shutoff Valve lever to OFF position
(see Figure 8 earlier).
4. Use phillips screwdriver to remove screw holding air
filter cover and remove air filter cover (see Figure 19).
5. Remove air filter media.
IMPORTANT: DO NOT operate compressor with air filter
removed.
6. If dirty, use low pressure compressed air (not to exceed
25 psi) to dislodge dirt from air filter media.Also, blow
debris out of air filter cover and compressor filter
housing (see Figure 19).
NOTE: DO NOT use liquid solvents to clean filter media.
7. Replace air filter media in compressor filter housing.
8. Position air filter cover over air filter media. Use phillips
screwdriver to secure cover with screw.
NOTE: Replace air filter media if it is extremely dirty.
Changing Pump Oil
Follow these steps at the recommended oil change interval:
1. Turn engine ON/OFF switch to OFF position
(see Figure 9 earlier).
2. Move Fuel Shutoff Valve lever to OFF position
(see Figure 8 earlier).
3. Place unit on a flat, level surface.
4. Remove oil breather cap from oil fill location.
5. Position suitable container under drain plug to collect
drain oil.
6. Use an adjustable wrench to remove drain plug.
7. Fully drain oil into container. Install drain plug and tighten
using adjustable wrench. Dispose of used oil properly.
8. Using oil funnel, slowly add recommended oil.Visually
inspect oil level frequently at sight glass to avoid
overfilling Air Compressor Pump (see Figure 20).
9. When oil is at proper level, reinstall oil breather cap and
wipe up any spilled oil.
19
MAINTENANCE
Figure 19 - Servicing Air Filter
Air Filter Media
Compressor
Filter Housing
• Always wear ANSI Z87.1 approved safety glasses with side
shields.
Residual compressed air in pump can propel oil
and cause soft tissue damage to exposed skin or
eyes leading to severe injury.
CAUTION
Figure 20 - Pump Oil Fill Information
Drain Plug
Oil Fill Location
MAXIMUM
Oil Level
PROPER
Oil Level
• DO NOT touch hot parts and AVOID hot exhaust gases.
• Allow compressor to cool before servicing.
Hot parts and exhaust gases can exceed 150
°
F and
can cause burns.
WARNING