Instruction Manual
w
PE 100-T
25
Fig. 30
Valve head 3rd stage
1 Torque stud
2 O-ring
3 Pressure valve
4 Intake valve
5 Valve head
6 Valve head cover
7 Allen screw
8 Gasket
Change intake and pressure valve of 3rd
stage together only.
Remove of 3rd stage pressure valve (3) according to Fig. 30.
-
Unwind torque stud (1) a couple of turns.
-
Remove allen screws (7), take off valve head cover (6).
-
Put two screwdrivers into the groove of pressure valve
body (Fig. 31). If necessary turn valve loose at first using
a 13 mm spanner on the flat surfaces.
-
Lift out pressure valve (3) together with O-ring (2).
Reinstall pressure valve (3) in reverse sequence:
-
Check O-ring for abrasion and replace if necessary. Put
O-ring (2) into valve head (5).
-
Insert pressure valve (3). Install valve head cover (6).
-
Fasten valve head with allen screws (7) and washers (8).
-
Screw in torque stud (1) with 20 Nm (2 kpm).
Fig. 31
Removal of 3rd stage pressure valve
4.4.10.
COMPRESSOR DRIVE SYSTEM
DESCRIPTION
The compressor is driven by the drive motor through a V-
belt. The motor is mounted on the base plate and requires
adjustment for proper V-belt tension.
Improper v-belt tension and adjustment
of the pulleys will result in extreme v-belt
abrasion and premature wear.
MAINTENANCE
Checking the drive belt tension
-
The best tension for a belt drive is the lowest possible,
where the belt under full load does not slip. A rough
value for this is when the belt deflects
10 mm
when
pressed with thumb pressure between the two pulleys
(Fig. 32). For best results we recommend our v-belt ten
sion meter, part no. N25238.
V-belt tension adjustment
-
Slightly loosen motor mounting nuts
-
Adjust motor until the belt tension is correct (see
Fig. 32).
-
Tighten motor mounting nuts.
-
Run motor for approx. 5 minutes. Stop motor, check V-
belt tension, and readjust if required.
-
Check that after tension adjustment and tightening the
motor mounting nuts, both pulleys are in a straight line
to avoid excessive wear of the V-belt. Hold a straight
edge against compressor and motor V-belt pulleys as
shown in Fig. 33: edge must be parallel to the v-belt.
Fig. 32
Checking V-belt tension
10 mm
Fig. 33
V-belt pulley adjustment
Содержание PE 100-T
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