Reassembly of Traction Pump
Clean all parts in suitable solvent, lubricate all critical
9. Install new housing gasket (10).
10. Install back plate (9).
1.
moving parts before reassembly. If necessary, install
new needle bearings in the housing. The camplate pivot
bearings are slip fit; the needle bearing (6) is press fit,
install with numbered end of the bearing outward.
11.
Install ball and pin into check valve housing if remo-
ved. Install new O−ring (45) and back−up washer (46)
on check valve assembly (8). Install O−ring nearest pin.
Install in back plate (9) with pin in back plate.
2.
ings (18) over the arm and slide into the housing.
Insert camplate into housing. Insert the needle bear-
12.
over shaft.
Install key (35) on shaft and install gerotor gear (7)
3.
ot bearing. Install seal cover (15) and secure with
screws (24).
Install washers (17) and shaft seal (16) over cam piv-
13.
Install new O−ring (5) in groove in charge pump
adaptor (2), hold in place with clean clear grease. As-
semble adaptor on pump back plate. Retain with four
cap screws (36 & 1) and torque to 27/31 ft. lbs.
4.
(18),
er (17), O−ring (21), and O−ring cover (22), and secure
with trunnion cover (23) and screws (24).
On the opposite side of housing install needle bearing
inner race (20) with chambered I.D. inward, wash-
14.
new O−rings, inserting spreader into separators plug,
and securing with retaining ring.
Reassemble tow valve assembly (4) by installing
5.
thrust race (29), thrust bearing (30), and second thrust
race (29), secure with second retaining ring (28).
Install retaining ring (28) on drive shaft (31). Install
15.
torque 27 to 30 ft. lbs.
Install tow valve assembly (4) in back plate (9) and
16.
17.
Install relief valve assemblies (34) in back plate.
Install new O−ring (33) and spring (41) on plug (3).
6.
seal (26), and retain with retaining ring (25).
Install shaft in housing and install washer (27), shaft
Install plugs (3) in back plate and torque 55/60 ft. lbs.
7.
Install the pivot, spider and the piston assemblies in
the piston block. Install rotating assembly in the housing
assembly, the piston shoes must be in contact with the
camplate.
18.
spring (43), and spring retainer (44).
Remove pump from vise and install poppet (42),
8.
Clamp pump assembly in a protected jaw vise with
the open end of the housing up.
Reelmaster 4000−D
Page 4 − 73
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Tags | Toro 4000 D, Toro 98958SL |
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| Language | English |
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