Pump Installation - Graco Mark IV 249636 Operation - Repair - Parts

Pump Installation

Warning: If pump pin works
loose, parts could break off due
to force of pumping action. Parts
could project through the air and
result in serious injury or
property damage.
Caution: If pump locknut
loosens during operation, drive
housing threads will be
damaged.
Pump Installation
Pump Installation
28
1 Extend pump piston rod
fully. Apply grease to top
of pump rod at (A) or
inside connecting rod.
1
1
2 Install pump pin (44).
Verify retainer spring
(43) is in groove of pump
pin. Push pump up until
pump threads engage.
2
2
Repair
3 Screw in pump until
threads are flush with
drive housing opening.
Align pump outlet to
back.
3
3
311287A