Graco T-Max 405 A Series User Manual

19309977
Pump Repair
Disassemble Pump
TIP: It may be easier to leave the pump connected to
the connecting rod and bearing housing if the only
assemblies to be cleaned and inspected is the intake
housing or piston valve.
1.
Relieve pressure; page 4.
2. See Pump Repair, Removal on page 18 to
remove pump.
3. Fig. 13. Remove clamp (209) and intake
housing (204).
ti5132a
204
209
Fig. 12
4. Remove clamp (209) and pump cylinder (201).
ti5132a
201
209
Fig. 13
5. Fig. 14. Remove packing nut (216). Push piston
rod (203) from outlet housing (202).
ti5131a
216
202
203
Fig. 14
6. Place end of piston rod in vise and remove piston
valve (217). Remove piston seal (222).
Fig. 15
203
222*
217*
220*
ti4804a
7. Inspect all part for nicks and scratches. Replace
worn or damaged parts as they may result in poor
pump performance.
Repair Kit
Piston Seal Repair Kit 248530 is available. Replace all
parts in kit for best results.
Parts included in kit are marked with an asterisk in text
and drawings. For example, 208*.

Graco T-Max 405 A Series Specifications

General

Brand	Graco
Model	T-Max 405 A Series
Category	Paint Sprayer
Language	English