Proheat M80 Manuel de service télécharger pdf (Page 43)

PROHEAT fuel filter – Check:

a) For filter contamination and restrictions.

b) For damaged inlet fitting.

Test Procedure – Fuel filter inspection, cleaning and/or replacement:

a) Disconnect the fuel supply line at the PROHEAT.

b) Remove the fuel filter adapter and fuel inlet fitting located in the

burner head.

c) Remove O-ring and filter. Inspect for contamination and/or restrictions.

Clean filter using electrical contact cleaner or warm soapy water.

Replace if necessary.

d) Inspect the O-rings for contamination and/or damage. Clean O-rings

with a cloth or replace as necessary.

e) Inspect and clean the filter cavity and O-ring seat as necessary using

contact cleaner.

f) Reinstall filter, O-rings and inlet adapter. Tighten the adapter until it

bottoms out against the face.

g) Reconnect the fuel supply line.

h) Switch the PROHEAT on and operate for at least one complete cycle.

Observe the operation.

If a Start diagnostic code is indicated, proceed to Step 3.

START: Fuel System Step 2

(1 Flash)

Figure 4-4: Fuel Filter Assembly and Location.

O-RING

FILTER

ADAPTER

TORQUE = SEE

SECTION 1.3

O-RING

INLET FITTING

TORQUE = 100 ± 10 in. lbs

(11.3 ± 1.1 Nm)

THREAD

SEALANT

REQUIRED

WARNING

Spilt fuel is flammable.

NOTICE

There is a screen located after the

fuel filter in the FDB. See Figure 4-3.

NOTICE

There are two screens located in the

fuel system please see page 4-15.

NOTICE

All plugs/harnesses must be rein-

stalled into the G-II Proheat Control

Module (G-II PCM) before heater

goes back into service.

4-6

PROHEAT M-SERIES G-II PCM SERVICE MANUAL

Figure 4-3: FDU Fuel Filter Location.

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 89 90

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Proheat M80 Manuel de service Page 43

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