35,000 BTU/Hr CANADIAN PROPANE CONSTRUCTION HEATER
SERVICE
PROCEDURES
(Continued)
7.Place fan onto motor shaft.
IMPORTANT: When placing fan onto motor shaft, make sure part number stamped on fan is facing motor.
8.Attach fan nut to end of motor shaft. Tighten fan nut firmly.
9.Place motor and fan guard into rear of heater shell. Make sure power cord is properly located (see Figure 12).
Piezo
Target
Ignitor Wire | Bushing |
|
| Gap | |
| Underside | |
| Ignitor | |
| of Heater | |
|
| |
| Base |
|
Figure 13 - Removing Ignitor Wire from | Figure 15 - Clearance between Ignitor |
Piezo Ignitor | Electrode and Target Plate |
Figure 12 - Replacing Motor and Fan Guard into Heater
3.Remove ignitor mounting screw from rear head using
Rear Head
Ignitor
Ignitor 
Mounting
WARNING: Make sure heater is disconnected from propane supply. Heater could ignite caus- ing severe burns.
Push piezo ignitor button and watch forspark between ignitor electrode and target plate.
9.Place motor and fan guard into rear of heater shell (see Motor, page 7, steps 9 and 10).
10.Insert three screws through heater shell and into fan guard. Tighten screws firmly.
IGNITOR
1.Remove motor and fan guard from heater (see Motor, page 7, steps 1 and 2).
2.Remove black ignitor wire from piezo ignitor. Access ignitor wire through underside of heater base (see Figure 13). Push wire up through bushing in heater shell.
Figure 14 - Removing Ignitor Mounting Screw and Ignitor
4.Remove ignitor from rear head.
5.Install new ignitor. Attach ignitor to rear head with ignitor mounting screw.
6.Run ignitor wire from new ignitor through bushing in heater shell. Attach ignitor wire to piezo ignitor.
7.Set gap between ignitor electrode and target plate to .17" (4.3 mm)
(see Figure 15).
8.Test for spark.
8 | 103907 |
