Purge Rod - Graco 257999 Instructions And Parts Manual

14. Install bulkhead onto piston shaft. Torque to
100-110 in-lb (11.3-12.4 N•m). See Component
Identification on page 16.
15. Apply medium strength threadlocker to threads then
install rear piston onto piston shaft. Torque to
100-110 in-lb (11.3-12.4 N•m). See Component
Identification on page 16.
16. Install piston safety lock. See Component Identifi-
cation on page 16.
17. Attach Front End, see page 33.
18. Use hex nut driver to install fluid manifold (AD).
Torque fluid manifold bolt to 20-30 in-lb
(2.26-3.39 N•m). Connect air quick coupler (AC).
AD
19. Connect signal cable.
313872N

Purge Rod

1. Flush Gun, page 25.
2. Follow Pressure Relief Procedure, page 22.
3. Disconnect air quick coupler (AC). Use hex nut
AC
4. Disconnect signal cable.
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5. Remove Front End, see page 31. Inspect purge
6. Use 3/4 in. wrench to loosen front tip. Coat purge
7. Attach Front End, see page 33.
8. Attach air quick coupler to fully extend purge rod.
9. Install fluid manifold. Torque fluid manifold bolt to
10. Connect signal cable.
driver to remove fluid manifold (AD).
AD
rod for wear or damage. Replace if necessary.
rod with TSL then replace purge rod.
Tighten front tip to 60-70 in-lb (6.78-7.91 N•m)
20-30 in-lb (2.26-3.39 N•m).
Repair
AC
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35