Reassembling the gun – Graco DELTA SPRAY XT GUN 310692D User Manual
Page 23
Service
310692D
23
Reassembling the gun
1.
Slide the insert (4) into the spray housing (2A), and
install them onto the gun body (1). Align the housing
with the slot and lip (A) on the gun body.
2.
Tighten the hex nut (9) onto the insert (4) hand-tight,
then loosen the nut about one turn so the insert (4)
and spray housing sit loosely in the gun body.
3.
Check the fluid needle (13) for damage or excessive
wear. Replace needle tip or entire needle if neces-
sary. If replacing needle tip, use low strength thread
adhesive on needle tip threads.
4.
Lubricate the outside of the new air valve assembly
(26) and place it on the fluid needle (13), against the
nut (B). See F
. 38.
5.
Install the fluid needle (13) and the air valve assem-
bly (26) into the back of the gun.
6.
With u-cup (20) and spacer (37) already installed
into fluid nut (19), point gun down and install spring
(22) and fluid nut (19). Tighten the fluid nut (19) to
125-135 in-lb (14-15 N•m).
7.
Install needle spring (23). Install fluid adjustment
knob (21).
To ensure proper alignment of the parts, assemble
parts in the exact order given in the following steps.
F
IG
. 36
F
IG
. 37
4
ti4830a
2A
A
9
ti4978a
F
IG
. 38
F
IG
. 39
ti4853a
26
13
B
ti4850a
21
23
22
37
20
19