Lincoln FlowMaster A Serie Manual Del Usuario página 8

FlowMaster™ Rotary Driven Electric Pump
17. Remove the pump plunger (19) from the plunger link
rod (16). A spanner wrench, which uses the holes in the
pump plunger, is required.
18. Unscrew the plunger link rod (16) from the plunger tube
(10) and slide off the cup seal (15), the backup washer (14)
and the wrist pin anchor (13).
19. Unscrew the plunger tube (10) from the outlet pin (8).
20. To dismantle the crankrod assembly (1 through 7),
remove flat head screws (1) and the counter weights (2).
21. Remove the retaining rings (5) and press the crank
eccentric (6) out of the ball bearing (7). Be sure to
support the ball bearing (7) on the inner race.
Pump Assembly Procedure
1. When the pump is dissembled, it is recommended to
replace all seals and gaskets, which are included in the
270663 repair kit. In addition, replace o-rings (44), (36)
and (63).
2. In the process of disassembly, examine the following
components and replace if excessive wear is indicated:
ball bearing (7), crank eccentric (6), crankrod (4), wrist
pin bushings (12), plunger tube (10), pump plunger and up-
per check parts (19, 18 and 17), pump cylinder (23), check
seat housing and lower check ball (27 and 25), upper
bronze bushing (52), housing tube (56), shovel plug (58),
and reciprocating tube (20). Also check shaft seal (40).
3. Assembly Procedure is the reverse of the Disassembly
Procedure except for the following:
4. Install parts (21) through (27) into the reciprocating tube
(20) after the plunger assembly (8 through 19) is
installed.
5. Install the pump subassembly (1 through 27) into the
pump housing (73) before tightening the housing tube
(56) to the pump housing (73). Be sure the reciprocating
tube (20) is inserted through both bushings before tighten-
ing the housing tube (56).
6. When pressing the pump shaft in (37), support the inner
race of the rear ball bearing (60) and the crank assembly (1
through 7) to insure proper assembly.
7. If replacing the pump shaft ball bearings (38 & 60), support
the housing (73) inner wall behind the snap rings (39 & 61)
when re-installing the bearing.
8. Use loctite 242 (or similar product) medium strength thread
lock on all torqued threaded connections.
Extreme care must be exercised to prevent excess com-
pound from flowing into critical areas such as clearance fits
and ball check. Allow a minimum of 30 minutes cure time
before operating the pump.
9. Torque Specifications:
A. Plunger tube (10) to outlet pin (9) - 110 to 125 In.-Lbs.
B. Button head screws (11) to wrist pin anchor (13) 100 to
110 In.-Lbs.
C. Plunger tube (10) to plunger link rod (16) - 100 to 110
In.-Lbs.
D. Plunger link rod (16) to pump plunger (19) - 100 to
110 In.-Lbs.
E. Flat head screws (1) to counter weight (2) - 100 - 110
Page Number - 8
In.-Lbs.
F. Wrist pin anchor (13) to reciprocating tube (20) - 20 to
25 Ft.-Lbs.
G. Check seat housing (27) to reciprocating tube (20) -
20 to 25 Ft.-Lbs.
H. Outlet pin nut (32) to pump housing (73) - 30 to 35 Ft.-
Lbs.
I. Housing tube (56) to pump housing (73) - 20 to 25 Ft.-
Lbs.
J. Gearbox mounting screws (46) - 20-25 Ft.-Lbs.
K. Gearset mounting screws (48) - 60-70 In.-Lbs.
L. Motor mounting screws and jam nuts (51 & 42) -
100-110 In.-Lbs.
M. Bearing Cover Screws (66) - 32-38 In. Lbs.
10. Fill crankcase with SAE 10W30 motor oil up to the center
of the pump shaft (37) before fastening housing cover (30)
and housing gasket (31). If pump will be used in very cold
environments, use Mobil Arrow HFA Low Temperature Oil.
This oil stays fluid even at -70°F (-57° C).
Form 403693