North American Tool 42801 Operating Instructions Manual Download Page 4

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PRESSURE SWITCH (D) FIG.5

The pressure switch automatically
starts the motor when the tank
pressure drops below the factory
set ‘cut-in’ pressure. It also stops
the motor when the air tank
pressure reaches the factory set
‘cut-out’ or maximum pressure.

REGULATOR (E & F) FIG.5

The air pressure coming from the
air tank is controlled by the
regulator (E). To unlock the
regulator, turn the regulator lock
rink (F) counterclockwise and then
turn the regulator clockwise to
increase pressure and
counterclockwise to decrease
pressure, tighten the regulator
lock rink to relock it into position.
To avoid minor readjustment after
making a change in the pressure
setting, always approach the
desired pressure from a lower
pressure. When reducing from a
higher to a lower setting, first
reduce the pressure less than that
desired, then bring it up to the
desired pressure. Depending on
the air requirements of each
particular accessory, the outlet
regulated air pressure may have
to be adjusted while operating the
accessory.  This process may
require expelling air from the air
outlet, hose, tool, or accessory.

OUTLET PRESSURE GAUGE(G)
FIG.5

The outlet pressure gauge
indicates the air pressure
available at the outlet side of the
regulator. The pressure is
controlled by the regulator and is
always less than or equal to the
tank pressure.

TANK PRESSURE GAUGE (H)
FIG. 5.                           

The tank

pressure gauge indicates the air
pressure in the tank.

SAFETY VALVE (I) FIG. 5. 

If the

pressure switch does not shut off
the air compressor at its cutout
pressure setting, this safety valve
will protect against high pressure
by popping out at its factory set
pressure (slightly higher than the
pressure switch cut-out setting).

WARNING!

: If the safety valve

does not work properly, over
pressurization may occur,
causing air tank rupture or an
explosion. Daily pull the ring on
the safety valve to make sure
that the safety valve operates
freely. If the valve is stuck or
does not operate smoothly, it
must be replaced with the same
type of valve.

MOTOR THERMAL
OVERLOAD PROTECTOR
(RESET (J) FIG. 6). 

The electric

motor has an automatic thermal
overload protector. If the motor
overheats for any reason, the
thermal overload protector will
shut off the motor. The motor
must be allowed to cool before
restarting. Press the reset button
(J) after 15 minutes.

MOTOR THERMAL
OVERLOAD PROTECTOR
(RESET (J) FIG. 6). 

The electric

motor has an automatic thermal
overload protector. If the motor
overheats for any reason, the
thermal overload protector will
shut off the motor. The motor
must be allowed to cool before
restarting. Press the reset button
(J) after 15 minutes.

ASSEMBLY AND LOCATION
OF THE AIR COMPRESSOR

Your compressor requires some
assembly. Install intake filter (A)
Fig.7 to the cylinder cover.
Remove plastic cap and install
the oil breather cap (B) to the
crankcase cover. Install both
wheels (C) using the large hex.
bolts, spring washers and hex.
nuts supplied. Then install the 2
rubber feet (D) using the small
hex. bolts, washers, spring
washers and hex. nuts. Install
handle (E) and the storage
compartment (not shown) to the
tank using hex. bolts, washers,
spring washers and hex. nuts.
where applicable.

Operate the air compressor in a
cool, dry, clean and well
ventilated area. The air
compressor pump and case are
designed to allow for proper
cooling. Clean or blow off dust or
dirt that collects on the air
compressor. A clean air

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Summary of Contents for 42801

Page 1: ...h hands after handling Breathable Air Warning This compressor pump is not equipped and should not be used as is to supply breathing quality air For any application of air for human consumption the air compressor pump will need to be fitted with suitable in line safety and alarm equipment This additional equipment is necessary to properly filter and purify the air to meet minimal specifications for...

Page 2: ... install one if not provided on the air outlet RISK OF BURNS Touching exposed metal such as the compressor head or outlet tubes can result in serious burns Never touch any exposed metal parts or compressor during or immediately after operation The compressor will remain hot for several minutes after use Do not touch areas around protective shrouds or attempt maintenance until the compressor has co...

Page 3: ... have 3 prong grounding type plugs and 2 hole receptors For circuits that are further away from the electrical circuit box the wire size must be increased proportionately in order to deliver ample voltage to the compressor motor Refer to Fig 2 for wire length and size CHECK VALVE A FIG 3 When the air compressor is operating the check valve is open allowing compressed air to enter the air tank When...

Page 4: ... out at its factory set pressure slightly higher than the pressure switch cut out setting WARNING If the safety valve does not work properly over pressurization may occur causing air tank rupture or an explosion Daily pull the ring on the safety valve to make sure that the safety valve operates freely If the valve is stuck or does not operate smoothly it must be replaced with the same type of valv...

Page 5: ...ll stop The air compressor is now ready for use OPERATING PROCEDURES Preparation for use 1 Before attaching air hose or accessories make sure the OFF AUTO is set to OFF and the air regulator is closed 2 Attach hose and accessories WARNING Too much air pressure causes a hazardous risk of bursting Check the manufacturer s maximum pressure rating for air tools and accessories The regulator outlet pre...

Page 6: ...k case with oil first unscrew and remove oil breather cap B pour approximately 300ml of air compressor oil SAE 10W30 or SAE 10W20 non detergent oil into crankcase oil opening C until the oil level reaches the center red dot on the oil sight glass Retighten oil breather cap B KEEP TOOL CLEAN Periodically blow out all air passages with dry compressed air Clean all plastic parts with a soft damp clot...

Page 7: ...witch or improper adjustment Safety valve releasing Check valve manually by pulling upwards on ring If condition persists replace valve Clean or replace as necessary Replace check valve Air leak in safety valve Restricted air filter Defective check valve Low pressure Check voltage eliminate extension cord or reset Check wiring connections Press the reset button or wait for automatic reset 15 minut...

Page 8: ...tly or indirectly to misuse abuse negligence or accidents repairs or alterations or a lack of maintenance NAT shall in no event be liable for death injuries to persons or property or for incidental special or consequential damages arising from the use of our products To receive service under warranty the original manufacturer part must be returned for examination by an authorized service center Sh...

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