Graco D60 Operation page 37

Assemble Piston Rod Seal and Bearing
See F . 48 on page 36.
IG
1. Lubricate the o-ring (202d) and bottom bearing
(202j).
a. Install the o-ring (202d), bottom bearing (202j),
and retaining ring (202k) into the end cap
(202a).
b. Install the new o-ring (202c) and pin (202b) on
the end cap (202a).
c. Lubricate the o-ring (202c) and end cap (202a).
d. Slide the spring (202m) and end cap (202a)
onto the piston rod (202n, 302n).
2. Install the retaining ring (203).
3. Remount the mounting plate (381) and attach the
nuts (383) and lockwashers (382). Torque to 40 ft-lb
(54 N•m).
Disassemble Ram Piston
1. Complete steps 1-4 from Disassemble Piston Rod
Seal and Bearing on page 36 to remove the end
cap from the piston rod.
Do not tilt the piston rod to one side when removing it
from the base or when installing it. Such movement
can damage the piston or inside surface of the base
cylinder.
3A5379B
NOTICE
2. Carefully lay the piston (202e, 802e) and rod (202n,
302n, 802n) down so the piston rod will not be bent.
Remove the nut (202f, 802f), washer (202g, 802g),
piston (202e, 802e), outer o-ring (202c, 802c), and
inner o-ring (202h, 802h).
3. Inspect all parts for wear or damage. Replace as
necessary.
202c
202h
F . 49: 3 in. Ram Piston
IG
Assemble Ram Piston
1. Install new o-rings (202h, 802h, 202c, 802c).
2. Lubricate the piston (202e, 802e) and o-rings.
3. Apply medium strength thread sealant. Install the
piston (202e, 802e), washer (202g, 802g), and nut
(202f, 802f) on the piston rod (202n, 302n, 802n).
4. Carefully insert the piston (202e, 802e) into the cyl-
inder, and push the piston rod (202n, 302n, 802n)
straight down into the cylinder.
5. Slide the spring (202m, 802m) and end cap (202a,
802a) onto the piston rod (202n, 302n, 802n).
6. Install the retaining ring (203) and the mounting
plate with nuts (383, 857) and washers (382, 858)
with the pump package and platen.
Repair
202n, 802n
202e, 802e
202g, 802g
202f, 802h
TI10521A
37