ALPHA PLUS HARDI NOVA
MM AA II NN TT EE NN AA NN CC EE
CHAPTER
55-
18
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If it becomes difficult to build up sufficient pressure or if
pressure fluctuations occur, it may be necessary to
renew cone and cylinder. A Hardi kit is available for this
purpose n°. 741293
- Remove 4 x screws
((AA))
and remove the housing
- Remove 4 x screws
((BB))
- Replace cylinder
((CC))
and O-ring
((DD))
- Loosen the nut
((EE))
remove and replace the cone
((FF))
- Reassemble in reverse order
AA
BB
EE
FF
CC
DD
55-22-1122 OOCCCCAASSIIOONNAALL MMAAIINNTTEENNAANNCCEE
LLeevveell iinnddiiccaattoorr aaddjjuussttmmeenntt
The level indicator reading shoud be checked regulary
When the tank is empty, the float should lie on the stop pin, of the rod, and
the O’ring on the indicator should be positionned at the top position line
((AA))
If any deviation is found, pull out the plug
((BB))
, loosen screws
((CC))
, and adjust
the length of the cord
AA
BB
CC
NNoozzzzllee ttuubbeess aabbdd ffiittttiinnggss
Poor seals are usually caused by :
l
l
missing O-rings or gaskets
damaged or incorrectly seated O-rings
dry or deformed O-rings or gaskets
foreign bodies
l
l
In case of leaks
DDOO NNOOTT oovveerrttiigghhtteenn
.
- Disassemble, check condition and position of O-ring or
gasket
- Clean, lubricate and reassemble
The O-ring must be lubricated
AALLLL TTHHEE WWAAYY RROOUUNNDD
before fitting on the nozzle tube. Use non-mineral lubri-
cant.
For
RRAADDIIAALL
connections only hand-tighten them.
For
AAXXIIAALL
connections, a liitle mechanical leverage may be used
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