Electrode Replacement - Graco PRO AA4500 Instructions-Parts List Manual

Service
Electrode Replacement
the electrode installed in the air cap.
1. Remove the retaining nut
(E),
tip guard,
(2),
air
cap (1) and spray tip
(9)
as instructed on page
28.
2. Pull
the electrode (la) out of the backside
o f
the
air cap with a needle nose pliers.
l a
1
3. Push the new electrode through the air cap hole.
Place firm finger pressure on the electrode wire
sure the short end (BB) of the electrode engages
(la) on the backside of the air cap, and make
into the hole (CC) as shown in Fig.
9.
CC BB
Fig. 9
OW13
4.
Assemble the spray tip, air cap, and tip guard.
Then install them on the gun, securing them with
the retaining nut.
5. Test the gun resistance as instructed on page
25.
308-294 29