Break-In Ofthepump; Daily Startup; Cold Weather Starting - Craftsman 921.16578 Owner's Manual

BREAK-IN OFTHEPUMP before s tarting. Ifthecompressor wiltnot s tart, r elocate i tina
warmer location.
NOTE:The pump isshipped withbreak-in oilwhich s hould be
changed after t hefirst8hours o foperation. SHUTDOWN
1,
1. Make sure the power is connected at the power panel. 2.
2. Check the oil level in the pump (see "Checking the Oil" in the
maintenance section). 3.
3. Open the petcock (see C).
_i, _Escaping air and moisture can
4 propel debris that may cause eye injury. Wear safety
goggles when opening petcock.
4,
Turn ON the main power disconnect switch. Turn the
pressure switch to the AUTO position (see B). The motor
should start. Allow the compressor to run for 30 minutes, to
break in the internal parts.
Turn the pressure switch to the OFF position (see A).
Shut OFF the main power disconnect switch.
Reduce pressure in the tank through the outlet hose. You
can also pull the tank safety valve ring (see E) and keep it
open to relieve pressure in the tank
_L _Escaping air and moisture can
propel debris that may cause eye injury. Wear safety
goggles when opening petcock.
4. Open the petcock (see C) to allow moisture to drain from
the tank.
NOTE:
After about 30 minutes, if the unit does not operate
properly, SHUT DOWN IMMEDIATELY, and contact a
Sears or other qualified service center. DO NOT return
the unit to the store where it was purchased.
5. After about 30 minutes, turn the pressure switch to the OFF
position (see A).
6. Shut OFF the main power disconnect.
7. Close the petcock (see D). Turn in the clockwise direction.
8. Turn the pressure switch to the AUTO position. The
compressor will start and fill the tank to the cut-out
pressure and stop.
(B) AUTO
OFF (A)
NOTE: As compressed air is used, the pressure switch will
restart the motor automatically to supply more
compressed air to the tank.
DAILY START-UP
1,
2,
3.
4.
Check the oil level in the pump (see "Checking the Oil" in the
maintenance section).
Make sure the main power disconnect switch is shut OFF.
Close the tank petcock (see D).
Turn ON the main power disconnect switch. Turn the
pressure switch to the AUTO position (see B). The pump wilt
start filling the tank with air. When the air pressure in the
tank reaches the level preset at the factory, the pressure
switch wilt turn off the electric motor. As air is used and the
pressure level in the tank drops, the pressure switch will start
the motor and the pump wilt begin refilling the tank.
_High temperatures are generated
by the pump. To prevent burns or other injuries, DO
NOT touch the pump or transfer tube while the pump
is running. Allow it to cool before handling or
servicing. Keep children away from the compressor
at all times.
NOTE: If the unit does not operate properly, SHUT DOWN
IMMEDIATELY, and contact a Sears or other qualified
service center.
COLD WEATHER STARTING
"""J E
", /,,;
In cold weather check that the air filters are clean.
NOTE: Use synthetic blend, non-detergent air compressor oil.
Open the petcock (C) to depressurize the tank to zero PSI
8 200-2924