DeVilbiss Tekna Pro Lite PRO-470 Boletín Técnico página 9

Parts Replacement/
Maintenance
NEEDLE PACKING
REPLACEMENT INSTRUCTIONS
1. Remove trigger, fluid needle, and air valve following
steps 1 to 6 on P7, servicing air valve.
2. Loosen and remove packing nut using a straight
blade screwdriver. (See figs 18 & 19)
3. Discard old packing (34) and packing spring (35)
if replacing. Clean packing if reusing. Also clean
packing spring and nut (36). (See fig 20).
4. Re-assemble the packing, assemble into gunbody
by hand and then tighten. (See fig 21)
5. Complete re-assembly following steps 16 to 18 on
P8.
SPREADER VALVE ASSEMBLY
REPLACEMENT/MAINTENANCE
The spreader valve assembly can be replaced if
damaged. Remove using a 14 mm wrench
(See figs 22 & 23). The internal seal can be replaced and
is included in the gun rebuild kit (See fig 24).
FLUID SUPPLY INSERT
The fluid insert and seal are NOT replaceable.
(See fig 25).
Do not remove these parts.
No maintenance is required for these parts other than
regular cleaning of the internal bore.
TB-1020
9