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H
GENERAL MAINTENANCE
I
SUCTION ACTION: Put your hand lightly onto the filter admission
orifices. You will clearly hear the air suction. A deficient suction
suggests the air filter is blocked or the admission valves are damaged.
(See figure J).
J
These types of adjustments must be carried out
NOTE
in a Truper Authorized Service center.
BEARINGS: When reviewing or changing the piston rings, the crankshaft
bearings must also be checked to determine if they are worn, and
replace them if necessary.
OVERLOAD PROTECTION: The compressor has a thermal switch (P)
that prevents the motor from heating up excessive. The motor shuts
off when the switch is activated. To re-establish the motor, follow
the following steps:
1.- Press the switch to ensure that the compressor is off.
2.- Let the compressor cool down for at least 5 minutes
3.- Press the thermal switch located on the top cover of the engine.
4.- Lift the switch to start the compressor.
Note: If the unit shuts down again, please go to a Truper Authorized
Service Center
EVERY FOUR MONTHS OR
AFTER 500 HOURS USE
OIL: Drain oil and refill up to
the right level using SAE-30
motor oil. (See figure H)
CLEANSING: Keep the
inside and outside of the
compressor clean. Replace
oil regularly and keep all
the external surfaces clean.
A clean inner side
guarantees good
mechanical efficiency and a
clean exterior allows
circulating air heat to
dissipate efficiently.
(See figure I).
PISTON RINGS: The sealing
rings and the oil-scraper
ring shall be inspected
when the motor is using oil
in excess. It indicates the
rings are worn and need to
be replaced. When
replacing rings or other
major components always
change oil.
K
MOTOR TRANSMISSION PULLEY
Isolate power and remove the guard and belt. The pulley can be removed
using an extractor known as "Ouller". Do not use a hammer to hit the
pulley and remove from the shaft. It could damage the motor bearings.
MOTOR: If the motor does not start or stops during operation not
necessarily means there is something wrong with the motor.
A "buzzing" motor may indicate:
a) Voltage drops in the feeding line or loose connections.
b) Leaks in the check valves causing counter-pressure from the receptor.
c) Wrong starting procedure is being used (See Start up and Automatic
Operation).
d) Compressor pump is "stiff" due to lack of oil.
An apparently "dead" motor may indicate:
a) The thermal overload protection device was activated.
b) Power supply fuses blew.
c) Loose connection.
ELECTRIC DIAGRAM
CW
V2
Z2
U2
~V
C2
Z1
U1
V1
C1
ENGLISH
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