Campbell Hausfeld HL5500 Series - Manual (Page 5)

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3. The safety valve should automatically
close at approximately 40-50 PSI. If
the safety valve does not allow air to
be released when you pull on the
ring, or if it does not close
automatically, it MUST be replaced.
Safety valve must
be replaced if it
cannot be actuated or it leaks air after
ring is released.
PRESSURE GAUGES
Gauge attached to regulator indicates
air pressure going to hose (and any tool
attached to end of hose).
Gauge attached to pressure switch
indicates air pressure in tank.
Maintenance
Disconnect power source
and then release all
pressure from the system
before attempting to
install, service, relocate or perform any
maintenance.
Check compressor often for any visible
problems and follow maintenance
procedures each time compressor is
used.
1. Turn compressor off and release
pressure from system. To release
pressure from system, pull ring on
ASME safety valve (see Figures 6 and
8). Deflect escaping air by shielding
valve with one hand as you pull ring
with other hand. Pull ring until tank
is empty.
A large amount of
fast moving air will
be released when the safety valve is
opened with pressure in the tank. Wear
ANSI approved Z87.1 safety glasses.
2. Drain moisture from tank by opening
drain valve (see Figure 6) underneath
tank. Tilt tank to remove all
moisture.
3. Clean dust and dirt from tank, air
lines and pump cover while
compressor is still OFF.
OIL CHANGE
1. Allow compressor to run and warm
up oil. Unplug unit.
2. Position a pan under pump end of
unit.
3. Remove oil drain plug (see Figure 6).
Allow oil to collect in pan. Tilt unit to
completely drain.
4. Replace drain plug, fill pump to full
line on sight glass. Use Chevron
synthetic 5W-30, Mobil 1 5W-30 or
10W-30 synthetic motor oil. Using
other types of oil will cause starting
problems.
5. Change oil after every 50 hours of
use.
INTAKE AIR FILTER MAINTENANCE
Removal, Inspection and Replacement
(Figure 9)
The intake filter element should be
removed and checked periodically. A
clogged intake filter can decrease
compressor performance and cause the
compressor to overheat.
1.Rotate the filter cover counter
clockwise and remove .
2. Remove the filter element and
inspect.
3. If the filter element is dirty or
clogged, replace it.
4. Reinstall filter and cover.
IMPORTANT: Locate unit as far from
spraying area as hose will allow to
prevent overspray from clogging filter.
OVERLOAD PROTECTOR SECTION
This compressor is
equipped with a
thermal overload protector which will
shut off motor if it becomes overloaded.
If overload protector shuts motor OFF
frequently, look for the following
causes.
1. Low voltage.
2. Clogged air filter.
3. Lack of proper ventilation.
If the overload
protector is
actuated, the motor must be allowed to
cool down for 30 minutes. To reset once
the motor has cooled down, turn
pressure switch to the OFF position
then to the AUTO position.
STORAGE
1. Drain tank of moisture.
2. When not in use, store compressor in
a cool, dry place.
3. Disconnect hose and hang open ends
down to allow any moisture to drain.
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Figure 9 - Intake filter maintenance
Filter element
Filter
cover
Operation (Continued)