Graco 312348B Manual De Usuario
312348B
5
Piston Kit Installation
1.
Install piston rod seal; ensure u-cup faces piston rod
as shown in F
as shown in F
2.
Assemble piston head to piston rod. Apply Loctite to
threads and torque piston head according to Table
1.
threads and torque piston head according to Table
1.
Table 1: Torque Specification
3.
Press throat seal into block using back plate and
supplied screws. Ensure u-cup faces cylinder.
supplied screws. Ensure u-cup faces cylinder.
Assemble back plate with the small bore facing the
seal.
seal.
4.
Ensure plate is parallel with block. Carefully tighten
screws until plate is flush with block. Be sure to
press seal straight into bore.
screws until plate is flush with block. Be sure to
press seal straight into bore.
F
IG
. 5: U-Cup Orientation
F
IG
. 6: Piston Head and Rod
Pump
Torque (ft-lbs)
28
10
40
22
44
22
48
22
60
38
80
38
96
38
104
38
120
55
TI9097a
1
Apply Loctite to threads.
1
TI9098a
F
IG
. 7: Seal Orientation
F
IG
. 8: Seal Alignment
TI9099a
Seal Alignment
Pressed Seal
TI9109a
TI9111a