Master Lock 70000 BTU/Hr, 150000 BTU/Hr Service Procedures, Upper Shell Removal, Fuel Filter

Page 10

SERVICE PROCEDURES

Upper Shell Removal

1.Remove screws along each side of heater using 5/16" nut-driver. These screws attach upper and lower shells together.

2.Lift upper shell off.

3.Remove fan guard.

Fuel Filter

(70,000 BTU/Hr Model)

1.Remove side cover screws using 5/16" nut-driver.

2.Remove side cover.

3.Pull rubber fuel line off fuel ﬁlter neck.

4.Carefully pry bushing and fuel ﬁlter out of fuel tank.

5.Wash fuel ﬁlter with clean fuel and replace in tank.

6.Attach rubber fuel line to fuel ﬁlter neck.

7.Replace side cover.

10

WARNING

Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur.

Upper

Shell

Fan

Guard

Figure 8 - Upper Shell Removal, 70,000 BTU/Hr Model

Upper

Shell

Fan

Guard

Figure 9 - Upper Shell Removal, 100/150,000 BTU/Hr Models

Fuel Filter

Side Cover

Fuel Line

Figure 10 - Fuel Filter Removal, 70,000 BTU/Hr Model

101585

Image 10

Contents Portable Forced AIR Heaters Contents Safety Information Carbon monoxide poisoning may lead to deathProduct Identification 70,000 BTU/Hr ModelUnpacking Assembly Tools NeededOperation TheoryFuels Ventilation Operation To Start HeaterTo Stop Heater Operation Storage Preventative Maintenance ScheduleTo Restart Heater Observed Fault Possible Cause TROUBLE- ShootingUpper Shell Removal Service ProceduresFuel Filter Spark Plug Fuel Filter Removal, 100/150,000 BTU/Hr ModelsPump Pressure Adjustment Air Output, Air Intake, and Lint FiltersNozzle Removing Burner HeadPump Rotor Rotor Location, 70,000 BTU/Hr ModelSpecifications FanParts Breakdown 70,000 BTU/HrParts List KEY Part Number Description QTY100,000 BTU/Hr M10908-2 Screw, #6-32 x 3/8 Illustrated Parts Breakdown 150,000 BTU/HrPart number and description of the desired part Wheels and Handles for Wiring Diagrams AccessoriesWarranty and Repair Service Certificate of General Equipment Limited 90 DAY Warranty