Product Manual

4
MAINTENANCE INSTRUCTIONS
Miniature Intermediate Standard
FRC 13 FRC 14 FRC 15
Dismantle the Filter:-
1. Before dismantling the unit, exhaust the air in the line completely.
2. To clean the Filter:-
a. Unscrew the threaded bowl guard (21) in counter
clockwise direction. Dismantle the components and clean
the filter element and blow with compressed air.
b. Lift the Metal Bowl guard (21) upwards, Pull down the locking piece
(21.4). Turn the bowl guard by 45° and pull down.
3. Check for damages in the O-rings and other parts. Replace if needed or clean and reassemble.
4. Apply general purpose grease on the O-rings and on the surface of the Housing where the O- ring enters the Housing (11). Reassemble
all the components.
5. Screw the threaded Bowl guard (21) on to the Housing
(11).
5. Position the top flange lug portion of the Bowl guard (21) to the
corresponding slots in the Housing (11). Push the Bowl guard fully
into the Housing. Turn the bowl guard by 45° till the locking piece
(21.4) enters into the Housing slot fully.
Dismantle the Regulator:-
1. Dismantle the components and clean them in kerosene and blow with compressed air.
2. Check for damages in the O-rings (13.2), (22) and at sealing areas in the valve cone rubber, spherical relieving seating, seating area of
the housing etc. Replace if needed or clean and reassemble.
3. For assembly of the unit: Apply general purpose grease on the O-rings (13.2), (22) and on the cylindrical surface of the valve cone (13),
on threads of the adjusting screw (7), and on bearing washer (6). Reassemble all the components.