Hillyard TRIDENT T20SC PRO, Service Manual

Page: 55 / 65

• Proceed at reverse to reinstall prop-
erly the blade holders.
7.4.1-4 7.4.1-5
7.4.1-6 7.4.1-7
7.4.2 Squeegee Support
Check
(to perform every 150h )
The squeegee support has to be com-
pletely free to move to lie perfectly on the
floor. It is important that it can rotate
freely and it is properly pressed on the
floor by the gas spring.
Maintenance
(to perform every 600h )
• Put the machine in safe conditions.
• Remove the squeegee from the
squeegee support.
• Remove and replace the squeegee
support wheels loosing the adjust-
ment wing nuts and the squeegee
wheels screws
(see fig. 7.4.2-9 )
,
(see section
4.3.2 at page 23 )
• Proceed at reverse to reinstall the
parts.
• During the assemblying lubricate
the squeegee support eyelet.
7.4.2-8 7.4.2-9
• At the end of the assemblying per-
form the proper squeegee adjust-
ment
(see section 7.3.1 at page 53 )
.
7.4.3 Vacuum Hose
Check
(to perform every
4h
)
The vacuum hose
(see fig. 7.4.4-10 )
, has to be
clean and intact. It is mandatory that
the hose has no crack to not decrease
the vacuum. To verify the vacuum hose
goodness turn on the vacuum motor and
block the lower part of the hose with the
hand, in this way there must be no air
passage.
7.4.4 Drain Hose
Check
(to perform every 4h )
The Drain Hose and its Cap has to seal
perfectly the hose to avoid any pressure
drop or dirty water leakage. The drain
plug
(see fig. 7.4.4-11 )
must have a perfect
seal to avoid leakage of recovery water
or loss of vacuum. The Drain Manifold
has to be flexible and has to have no
cracks to avoid any break down during
the bending to drain the machine.
7.4.4-10 7.4.4-11
55