Cuenod C.210 GX 507/8 T1 — основные операции по техническому обслуживанию оборудования [18/56]
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Cuenod C.210 GX 507/8 T1 — основные операции по техническому обслуживанию оборудования [18/56]

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Cuenod C.210 GX 507 T3 [18/56] Maintenance
03/2008 - Art. Nr. 13 013 477C18
Maintenance
Important
Maintenance operations should be
performed at least once a year by a
technician.
• Cut off power at multipole switch.
• Check that there is no current.
• Close fuel intake.
• Check for any possible leaks.
Do not use pressurized fluid or
chlorinated products.
Setting values are found in the
“ Start-up ” section.
Only use manufacturer spare parts.
• Remove burner cover.
Checking combustion components
• Remove gas train electrical points, if
required.
• Remove safety screw D.
• Remove mobile spindle E.
• Open burner body.
• Disconnect both ignition cables and
ionization probe cable .
• Remove hose on hydraulic distributor.
• Loosen by two turns all four screws 1
of RTC plate.
Do not touch either screws 2.
• Loosen nut and side screw C retaining
gas feed line.
• Take out combustion components.
• Clean entire unit.
• Check state and settings of the
following :
• turbulator, ignition electrodes,
ionization probe, diffusers, ignition
and ionization cables.
• Replace any faulty parts.
• Check that O-ring J1 is in correct
position on gas feed line.
• Ensure that screw and nut C, hose
screw and all four screws 1 of RTC
plate are fully tight.
Removing blast-tube
Perform the following:
- either open burner body and boiler
door,
- or remove burner.
1 Access from the boiler door:
Proceed as indicated in previous
paragraph up to “ Take out
combustion components ”, then…
• Open the boiler door.
• Undo the three blast-tube screws from
inside.
• Change blast-tube.
• If required, fill space between the quarl
and blast-tube with refractory
material.
Do not block pressure take-off pF.
• Close the boiler door.
• Reassemble unit.
2 Removing burner:
Proceed as indicated in previous
paragraph up to “ Take out
combustion components ”, then…
• Remove burner body, gas train and
combustion head.
• Undo the three blast-tube screws from
inside.
• Change blast-tube and front seal.
• Reassemble unit.
Cleaning air circuit
• Disconnect motor.
• Remove all seven motor plate screws,
starting from the bottom.
• Dislodge plate and remove unit.
• Clean air circuit: fan and air box.
• Reassemble unit.
Checking gas filter
The external or valve filter (integrated or
pocket) must be examined at least once
a year and filter element changed if
filthy.
• Remove cover screws.
• Remove filter element. Make sure no
dirt is left in its housing.
• Install a new, similar element.
• Replace seal, cover and screws.
• Open ball valve.
• Check tightness.
• Check combustion.
Leakage controller
• Remove leakage controller.
• Check or replace filter elements
located on pe and pa.
• Reassemble unit.
• Check working order and for any
possible leaks.
Gas valves
These valves do not require any special
maintenance.
No repairs may be carried out on them.
Faulty valves must be replaced by a
technician, who will then recheck air/
water tightness, performance and
combustion.
Checking connections
On electrical plate, fan motor, motor
pump and servomotor.
• Check that wiring is fully tight to all
terminals.
Cleaning cover
• Clean cover with a water and
detergent mixture.
• Place cover back on.
Note
After each maintenance operation:
• Check gas combustion under actual
working conditions (doors closed,
cover in place, etc.) and check all
circuits for possible leaks.
• Perform safety check-up.
• Record results in the relevant
documents.

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