Proheat M80 Manuel de service télécharger pdf (Page 47)

DIGITAL

MANOMETER

(P/N PK0036)

PRESSURE ADJUSTMENT SCREW

DECREASE

PRESSURE

INCREASE

PRESSURE

FLAME

SHIELD

DIAPHRAGM

COMPRESSOR

IGNITION

ELECTRODE

ASSEMBLY

Figure 4-9: Air Pressure Test. Diaphragm Compressor Model.

MODEL AIR PRESSURE (DIAPHRAGM COMPRESSOR)

M50 6.0 ± 0.1 PSI (41.4 ± 0.7 kPa)

M80/M90 2.9 ± 0.1 PSI (20.0 ± 0.7 kPa)

M105/M125 3.65 ± 0.1 PSI (25.1 ± 0.7 kPa)

Test Procedure – Air Compressor pressure (Diaphragm Compressor models):

Ensure fuel nozzle is clean (see page 4-7) and the air compressor filter is clean

(see page 4-9) before proceeding with air compressor pressure check.

) Remove the plug to the air pressure measurement port.

) Thread in the Pressure Gauge and torque to 25 in-lbs ±3 in-lbs (2.8 Nm

±0.3 Nm) as shown in Figure 4-9.

) Connect Power Harness and Remote Switch to the G-II PCM.

k) Switch the PROHEAT on and observe the air pressure:

l) Adjust the air pressure if necessary by turning the screw as shown in

Figure 4-9.

If the pressure cannot be set to the correct setting, rebuild kits are available.

See www.proheat.com for the latest parts manual SL9151 for more information.

m) Turn heater off. Wait until Cool Down (Purge) mode is complete

(approximately 3 minutes).

n) Remove Pressure Gauge. Lubricate air measurement port plug o-ring with

diesel fuel and reinstall plug into fuel block. Torque to 25 in-lbs ±3 in-lbs

(2.8 Nm ±0.3 Nm). Reconnect the Ignition Module and Fuel Solenoid

connectors to the G-II PCM. Re-install the Flame Shield, the Ignition

Electrode Assembly and Burner Head onto the Heat Exchanger.

WARNING

Connect power and switch only. DO

NOT connect the temperature sensor.

4-10

PROHEAT M-SERIES G-II PCM SERVICE MANUAL

PRESSURE

ADJUSTMENT

SCREW

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 89 90

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Proheat M80 Manuel de service Page 47

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