Graco Inc. 218-745 Paint Sprayer User Manual


 
22
307-712
SERVICE
Fig 17
KEY
1 Gun Body
2a Alternator
2b O-Ring
2c Plug
5 Power  Supply
5a O-Ring
5b O-Ring
5c Spring
6 Gasket
20 Barrel
20
6
1
NOTE: The power cartridge (2)
includes items 2a, 2b,
2c, and 5.
5c
5b
5a
2a
2c
2b
5
20b
See NOTE after
step 3, below.
Power Cartridge Replacement
1. Remove the barrel as described under Barrel
Removal.
2. Remove the gasket (6) from the gun body (1). See
Fig 17.
CAUTION
The power cartridge is fragile. Be careful when
handling it to avoid damage.
3. Grasp the power cartridge with your hand. With a
gentle side to side motion, pull it free from the gun
body (1). Then pull the power cartridge straight out
of the body.
CAUTION
DO NOT use solvents to clean the power carĆ
tridge cavity in the gun body (1). Solvent will damĆ
age electrical components contained in the
power cartridge.
Inspect the power cartridge cavity in the gun
body for dirt or moisture. Clean out the cavity with
a clean, dry rag if necessary.
Lightly lubricate the o-rings (2b, 5a, 5b) on the
new power cartridge with petroleum jelly. All the
o-rings and the compression spring (5c) must
be in place or the gun will malfunction.
NOTE: The cushion (20b) is part of the gun barrel and
should never need to be removed. If it is
removed, push the cushion in, adhesive side toĆ
ward the barrel, with a rod until it is securely adĆ
hered in the barrel. DO NOT use the power supĆ
ply (5) to press the cushion into the barrel as it
will not adhere properly.
4. Insert the new power cartridge in the gun body (1).
NOTE: See Fig 18 for proper alignment of the power
cartridge (2) in the gun body (1).
5. Install the gasket (6) in the gun body (1).
6. Install the barrel on the gun body as described
under Barrel Removal.
Fig 18
KEY
1 Gun Body
2 Power Cartridge
1
2