9
308069
Operation
ÄÄ
Fig. 5
AIR REGULATOR & GAUGE
AIR LINE
QUICK DISCONNECT NIPPLE
QUICK DISCONNECT COUPLER
SPRAY
GUN
TIP GUARD
TIGHTEN TO
CLOSE
DRAIN VALVE DETAIL
Prime the system
1.
Set the trigger safety latch. See Fig. 1.
2.
Remove the spray tip from the gun, if it is installed.
See Changing spray tips on page 11.
3.
Be sure the air regulator handle is turned to zero
(fully left as you look at it).
4.
Connect the air line to the pump.
5.
Release the trigger safety latch.
6.
Hold a metal part of the gun firmly against and
aimed into a grounded metal pail. See Fig. 6.
Squeeze the gun trigger and hold it open.
Fig. 6
MAINTAIN FIRM
METAL-TO-METAL
CONTACT BETWEEN
GUN AND
GROUNDED METAL
CONTAINER
GROUND
WIRE
7.
Slowly open the air regulator until the pump is
running slowly and smoothly.
8.
Dispense about 1 pint of masking liquid to be sure
all air is pushed out of the system and the liquid
flows freely.
9.
Release the trigger and set the trigger safety latch.
See Fig. 1.
10. Check all fluid connections for leaks; relieve pres-
sure before tightening connections.
Select a tip
Two tips are provided with the gun. The size is marked
on the cylinder handle. The size 621 tip comes in-
stalled in the tip guard. Each tip comes with a square
ring and a seal. Refer to Changing spray tips and
Fig. 7.
11. Use the 211 size tip for narrow surfaces such as
door jambs.
12. Use the 621 size tip for wide or large surfaces.