Graco 226816 Instructions-Parts List Manual page 16

Replacing the Indicator Lamp
WARNING
All service to the heater must be performed by a
qualified electrician.
To reduce the risk of serious injury, including fluid
injection, burns, or electric shock, always shut off
the power to the heater, relieve fluid and air pres-
sure in the pump, and allow the fluid to cool before
servicing the heater.
1. Unscrew the lens cap (49).
4
46
Fig. 11
16 307363
Service
2. Remove the lamp (47) and replace it with a new
lamp.
3. Screw the lens cap onto the socket (50) until the
o–ring in the lens cap contacts the socket, then
turn the lens cap 1/2 to 1 turn more to ensure a
good seal.
The terminals (46) on the ends of the indicator
lamp socket (50) are special, fused terminals. To
reduce the risk of fire or explosion which can result
in serious injury and property damage. Use only
original Graco replacement parts.
50
22
48
2
4
46
WARNING
49
47
48
2
Tighten onto socket (50) until seal in lens cap
1
contacts socket and then turn 1/2 to 1 turn more.
Tighten to contact housing (22) and then turn
2
1/8 to 1/4 turn more.
1