Graco 3A0539L - 750cc 1000cc 1500cc and 2000cc 4-Ball Lowers Manuel D’Utilisation
Repair
3A0539L
11
Lower Disassembly
NOTE: Seal kits are available for each lower size. See
page 28. Kit parts are marked with an asterisk in the text
and drawings, for example (2*).
page 28. Kit parts are marked with an asterisk in the text
and drawings, for example (2*).
NOTE: Throat packing kits are available. See page 28.
Kit parts are marked with a symbol, for example (19†).
For best results, install the TSL Pump Repair Kit 24F617
each time the throat packings are changed.
Kit parts are marked with a symbol, for example (19†).
For best results, install the TSL Pump Repair Kit 24F617
each time the throat packings are changed.
NOTE: Tool Kit 24F494 is available as an accessory.
The kit includes two wrenches for use with the wet-cup
(41) and throat cartridge (40).
The kit includes two wrenches for use with the wet-cup
(41) and throat cartridge (40).
NOTE: Complete pump repair kits are also available.
The kits include all seal kit parts, throat packing kit parts,
and TSL pump repair kit parts. See page 28.
The kits include all seal kit parts, throat packing kit parts,
and TSL pump repair kit parts. See page 28.
1.
Flush the pump, if possible.
2.
Stop the pump at the middle of its stroke.
3.
Relieve the pressure. See your separate pump man-
ual.
ual.
4.
Remove the lower from the motor as described in
your separate pump manual.
your separate pump manual.
NOTE: See F
IG
. 4 for an exploded view of the entire
lower. See F
IG
. 5 for a cutaway view of the lower and an
exploded view of the throat packings and TSL pump.
5.
Remove the collar (50) and screws (51), cap (49),
and manifold and bottle assembly (48).
and manifold and bottle assembly (48).
NOTE: To replace the check valves in the TSL bottle,
order Check Valve Repair Kit 24F404. Kit parts are
marked with a symbol, for example (48b‡). To replace
the bottle only, order Bottle Replacement Kit 24F405. Kit
parts are marked with a symbol, for example (48e
order Check Valve Repair Kit 24F404. Kit parts are
marked with a symbol, for example (48b‡). To replace
the bottle only, order Bottle Replacement Kit 24F405. Kit
parts are marked with a symbol, for example (48e
❄
).
The kit includes 5 bottles and 5 labels. See F
IG
. 1, F
IG
.
4, and F
IG
. 5.
6.
Secure the inlet manifold (18) in a vise.
7.
Loosen, but do not remove, the wet-cup (41) and
cartridge (40).
cartridge (40).
8.
Remove the four capscrews (9) and washers (8)
from around the outlet manifold (22).
from around the outlet manifold (22).
9.
Remove the outlet manifold (22), balls (23), seats
(24), and gaskets (7).
(24), and gaskets (7).
10. Remove the wet-cup (41) and o-ring (42). Remove
the TSL pump piston seal (46), spring (45), and
o-rings (47).
o-rings (47).
11. Remove the throat cartridge (40). Remove the
o-ring (35), glands (19, 26), packings (20, 25), and
spring (43).
spring (43).
12. Remove the three cylinder screws (13) and lock-
washers (14). Lift off the outlet housing (16).
NOTE: The fluid tubes (3), cylinder (1), and piston
assembly (17, 10, 11, 44, 12) may come loose with the
outlet housing, or may remain in place on the inlet hous-
ing (15).
assembly (17, 10, 11, 44, 12) may come loose with the
outlet housing, or may remain in place on the inlet hous-
ing (15).
13. Remove the tubes (3) and cylinder (1). Pull the pis-
ton assembly out of the cylinder. Inspect the surface
of the piston rod (17) and the inside surfaces of the
cylinder and tubes. If any of these parts are
scratched or damaged, replace them.
of the piston rod (17) and the inside surfaces of the
cylinder and tubes. If any of these parts are
scratched or damaged, replace them.
14. Remove the inlet manifold (18) from the vise.
15. Remove the four capscrews (9) and washers (8)
from the inlet manifold (18).