Toro Workman HDX Auto Service Manual page 220

5. Lubricate the drive shaft with clean hydraulic oil.
Carefully insert the drive end of the drive shaft through
the front thrust plate with the pressure seal side down.
IMPORTANT: When installing drive shaft into front
cover, make sure that shaft seal (item 2) is not dam-
aged.
6. Carefully install shaft with front thrust plate into front
cover taking care to not damage shaft seal.
7. Lubricate the idler shaft with clean hydraulic oil.
Install idler shaft into the remaining position in the front
thrust plate. Apply a light coating of clean hydraulic oil to
gear faces.
8. Install rear thrust plate with pressure seal side up and
open side of the seals pointing to the inlet side of the
pump.
9. Install two (2) dowel pins into front cover. Align mark-
er line on the body and front cover.
IMPORTANT: Do not dislodge seals during installa-
tion.
10.Gently slide the body onto the assembly. Firm hand
pressure should be sufficient to engage the dowel pins.
11. Install two (2) dowel pins into body.
Hydraulic System
12.Align marker line on the body and rear flange.
IMPORTANT: When installing rear flange on, make
sure that shaft seal (item 18) is not damaged.
13.Carefully install rear flange onto pump assembly.
14.Install the four (4) screws (item 17) with lock washers
and hand tighten.
IMPORTANT: Prevent damage when clamping the
pump into a vise; clamp on the front cover only.
Also, use a vise with soft jaws.
15.Place front cover of the pump into a vise with soft
jaws and alternately torque the cap screws 220 in−lb (25
N−m).
16.Lubricate O−ring (item 20) with a thin coat of petro-
leum jelly and install on cover. Install cover to rear flange
and secure with two (2) socket head screws. Torque
screws 130 in−lb (15 N−m).
17.Remove pump from vise.
18.Place a small amount of clean hydraulic oil in the inlet
of the pump and rotate the drive shaft away from the inlet
one revolution. If any binding is noted, disassemble the
pump and check for assembly problems.
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