Replacement Of The Hose - Piusi HC20151200 Notice D'utilisation Et D'entretien

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9 - REPLACEMENT OF THE HOSE

WARNING: BEFORE PERFORMING ANY OPERATION,
POSITION THE STOPPER AT THE END OF THE HOSE,
REEL THE HOSE COMPLETELY AND MAKE SURE THAT
THE SPRING IS COMPLETELY SLACKENED.
For safety reasons, operations of hose replacement must
be carried out at the bench.
Use a hose with dimension and pressure characteristics
A
suited to the use.
1) Take the inlet hose off by removing the plastic cap and
the seeger (figure A).
2) Insert a 5 mm hexagonal wrench into the 6 flats of the
spring hub. Unfasten the nut with a 19 mm wrench, holding
in place with the hexagonal wrench (figure B). Release the
spring by turning the hexagonal wrench slowly clockwise.
B
3) Remove the nut and the 4 attachment screws from the
two half-casings.
4) Remove the half-casing and take out the drum (figure C).
WARNING: DO NOT OPEN THE SPRING CASING. SPRING
REPAIR OR REPLACEMENT OPERATIONS MUST ONLY
BE PERFORMED BY QUALIFIED TECHNICIANS.
C
5) Take the spring hub out of the drum (figure D).
6) Unfasten the central screw and remove the bushing (figure
E).
7) Separate the hub from the drum and take the hose coupling
out of the hub (figure F). Remove the o-ring.
8) Cut the collar in order to retrieve the coupling and replace
the hose.
9) Position the o-ring on the coupling and insert the coupling
D
into the hub hole.
10) Reposition the hub in the drum by fastening the central
screw and insert the spring hub.
11) Fit the stop approximately 1 m from the opposite end of
the hose and reel the new hose on the drum.
12) Grease if required. Reassemble the reel, following the ope-
rations in reverse order.
13) Insert a hexagonal wrench in the hub hole. Turn the wrench
anti-clockwise so that the Iimit stop is in contact with the
E
hose guide end fitting. Prestress the spring by continuing
to turn the wrench anti-clockwise (4 turns).
14) Hold the wrench in position and fasten the nut. Perform
a functional check. If the hose does not go in completely
or does not come out completely, readjust the tension of
the spring (point 13).
15) Reposition the inlet hose and the plastic cap.
F
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