R

PORTABLE FORCED AIR HEATERS

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

1.Remove pressure gauge plug 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 specifications below for correct pres- sure for each model.

5.Remove pressure gauge. Replace pres- sure gauge plug in filter end cover.

Air Intake Filter

Filter End

Fan Guard

Cover

Lint Filter

Air Output

Filter

Figure 13 - Air Output, Air Intake, and Lint Filters, B35CEH and B70CEH Models

Air Intake Filter

Filter End

Fan Guard

Cover

 

Lint Filter

Air Output

Filter

Figure 14 - Air Output, Air Intake, and Lint Filters, B100CEH and B150CEH Models

Pressure

 

 

Gauge

 

Pump

Plug

 

 

Pressure

Relief

 

Model

(Bar/PSI)

Valve

B35CEH

0.200/2.9

 

B70CEH

0.338/4.9

 

B100CEH

0.338/4.9

 

B150CEH

0.380/5.5

Plastic Cap

 

 

Figure 15 - Pressure Gauge Plug Removal

Pressure

 

(B35CEH and B70CEH Models Shown)

Gauge

 

Figure 16 - Adjusting Pump Pressure

10

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Page 12
Image 12
Master Lock B70CEH, B35CEH, B150CEH, B100CEH owner manual AIR OUTPUT, AIR INTAKE, and Lint Filters, Pump Pressure Adjustment