Reassembly (Fig. 68)
IMPORTANT: Do not dislodge o--rings, pressure
seals, or back--up rings during final assembly.
NOTE: Whenreassemblingthemotor,checktheidenti-
fication marks made during disassembly to make sure
the parts are properly aligned during reassembly.
9. Gently slide the rear cover onto the assembly using
marker or scribe mark for proper location. Firm hand
pressure should be sufficient to engage the dowel pins.
1.
Lubricate o--rings,pressureseals,back--upgaskets,
and seal grooves with a thin coat of petroleum jelly. Lu-
bricate all other internal parts freely with clean hydraulic
oil.
10.Position themotorwithrearcover downwards.Care-
fullyslidethefrontflangeontotheassembly usingmark-
er or scribe mark for proper location.
2.
3.
the front flange and rear cover. Follow by carefully plac-
ing the back--up rings into the grooves.
Install new shaft seal into front flange.
11.Install the four cap screws and hand tighten.
Install lubricated pressure seals into the grooves in
IMPORTANT: Avoid using excessive clamping
pressureonthemotorhousingtopreventdistorting
the housing.
4.
5.
gear, idler gear and bearing blocks. Carefully assemble
bearing blocks and gears noting identification marks
made during disassembly.
Install new o--rings to the body.
12.Place motor front flange in a vise and alternately
torque the screws from 33 to 40 ft--lb (45 to 55 N--m).
Lubricate gear faces and bearing surfaces of drive
13.Put a small amount of hydraulic oil in port on motor
and rotate driveshaft one revolution. Protect the shaft if
using a pliers. If drive shaft binds, disassemble motor
and repeat assembly process.
6.
Position the motor body on its side. Carefully slide
bearing block and gear assembly into the body cavity
using identification marks made during disassembly.
14.Place woodruff key in motor shaft slot. Install spider
hub and tab washer on shaft. Secure spider hub to shaft
with nut. Torque nut from 27 to 33 ft--lb (37 to 45 N--m).
7.
Remove any excess lubrication from mating sur-
faces of body, rear cover, and front flange. Make sure
that these surfaces are clean and dry.
15.Secure nut to motor shaft by bending small tab of tab
washer into keyway and large tab against nut.
8.
Install dowel pins in body.
16.Remove motor from vise.
Hydraulic System
Page 4 -- 88
Groundsmaster 4100--D
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| Language | English |
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