Desa GK20 Air Output, Air Intake, And Lint Filters, Pump Pressure Adjustment, Service Procedures

10

SERVICE PROCEDURES

SERVICE PROCEDURES

Continued

AIR OUTPUT, AIR INTAKE, AND LINT FILTERS

1.Remove upper shell (see page 8).

2.Remove filter end cover screws using 5/16" nut-driver.

3.Remove filter end cover.

4.Replace air output and lint filters.

5.Wash or replace air intake filter (see Preventative Maintenance Schedule, page 6).

6.Replace filter end cover.

7.Replace fan guard and upper shell.

IMPORTANT: Do not oil filters

PUMP PRESSURE ADJUSTMENT

Air Intake

Filter

Lint Filter

Air Output

Filter

Filter End

Cover Fan

Guard

1.Remove pressure gauge plug and plastic cap (GK20 only) from filter end cover.

2.Install accessory pressure gauge (part number HA1180).

3.Start heater (see Operation, page 5). Allow motor to reach full speed.

4.Adjust pressure. Turn relief valve to right to increase pressure. Turn relief valve to left to decrease pressure. See specifica- tions below for correct pressure for each model.

5, Remove pressure gauge. Replace pressure gauge plug and plas- tic cap (GK20 only) in filter end cover.

Air Intake Filter

Filter End

Cover

Lint Filter

Air Output

Filter

Fan Guard

Figure 13 - Air Output, Air Intake, and Lint Filters, Model GK20

Figure 14 - Air Output, Air Intake, and Lint Filters, Model GK30

Pressure

Gauge

PlugRelief

Valve

Plastic Cap

Figure 15 - Pressure Gauge Plug and Plastic Cap Removal

	Pump
	Pressure
Model	(PSI/Bar)
GK20	4.9/0.338
GK30	4.9/0.338

Pressure

Gauge

Figure 16 - Adjusting Pump Pressure

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