Graco Inc. 02748 Paint Sprayer User Manual


 
308-34119
Service
10. Use
the threaded end of the fluid needle (21) to
push out the u-cup seal (33). See Fig. 33.
Fig. 33
21
02760
11.
Remove and disassemble the activator valve (49).
See Fig. 34. Use the threaded end of the activator
needle (49d) to push out the needle packings (49g
and 49r). Do not bend the end of the needle.
12.
Clean the parts. Check the fluid needles (21 and
49d) for damage or excessive wear
. Replace if
necessary.
13.
Check the baf
fle (1
1) for damage. If it is damaged,
carefully pry it off with a screwdriver and replace it.
Apply part no. 514–767 Form-A-Gasket Sealant to
the front area of the gun where the baf
fle sits and
to the baf
fle protrusion. Insert the baf
fle protrusion
into the gun insert hole.
14.
Lightly lubricate the parts indicated in Fig. 34 with
Part No. 1
1
1–265 lubricant.
Fig. 34
12
11
15
16
8
33
14
3
4
32
19
20
49e
39
31
6
22
21
1
4
1
1
1
2
48
52
51
49e
49
53
49a
49c
49b
49e
49f
49h
49d
49m
1
1
47
17
1
Lightly
lubricate
Lightly lubricate threads
Lightly lubricate contact area on trigger face
Apply
part no. 514–767 Form-A-Gasket Sealant to the front area
of
the gun where the baf
fle
sits and to the baf
fle protrusion. Insert
the
baf
fle protrusion into the gun insert hole.
2
3
52
1
1
2
49p
49j
49q
49r
49g
1
3
4
1
05885
49k
55
5
1
1