Toro 22425 Service Manual
®
Char-Lynn
Hydraulic Motor
Repair Information
No. 7-124
July, 1999
2000 Series
Disc Valve Geroler Motor 006
2000 Series Disc Valve Motors
Valve
Plate
Seal
Exclusion
Seal
Bearing
Housing
Back-up
Washer
Seal
Shaft
Seal
Key
Bearing and
Shaft
Assembly
Seal
Shaft
Face Seal
Valve
Wear
Plate
Outer
Face Seal
Balance
Ring
Spring
Pin
Inner
Face Seal
Splined
Drive
Seal
Valve
Housing
Geroler
Tie
Bolt
O-ring/
Plug S/A
Valve
Drive
O-ring/
Plug S/A
Dash Pot
Spring
Poppet
Piston
Poppet
Spring
Dash Pot
O-ring/
Plug S/A
Shuttle Vave Option
Approx. 13,0 [.50]
Tools required for disassembly and reassembly.
Torque wrench 57Nm [500 lb-in] capacity
300-450 [12-16]* breaker bar
9/16 socket
Small screwdriver 150-200 x 6,5 [6-8 x 1/4] blade
3/16 Allen wrench
Press
* Unless indicated otherwise, measurements
are given in mm [inches]
** Shaft seal installation tool (600496)
** Bullet (600465) for 1 diameter shafts
The following tools are not necessary for disassembly and reassembly, but are extremely helpful.
Alignment studs (2)
Alignment studs (2)
200,0 [8.00]
25,0 [1.00]
8,0 [.312]
Grind flat spots on each side
9,5 [.375] Dia. Steel Rod
3/8-24 UNF thread
2
2000 Series Disc Valve Motors
Disassembly
Cleanliness is extremely important when repairing a hydraulic motor.
Work in a clean area. Before disconnecting the lines, clean the port
area of the motor thoroughly. Use a wire brush to remove foreign
material and debris from around the exterior joints of the motor.
Check the shaft and key slot, remove all nicks, burrs or sharp edges
that might damage the bearing housing seals when installing the shaft
and bearing assembly. Before starting the disassembly procedures,
drain the oil from inside the motor.
2 Remove 4 bolts from motor.
Figure 3
3 Lift valve housing straight up. If done carefully the pins, springs,
balance ring assembly, and valve will remain on the valve plate.
Figure 1
1 Place the motor in a vise with the output shaft down. Clamp
across the mounting flange of the motor not the housing. Excessive
clamping pressure will cause distortion. When clamping, use some
protective device on the vise, such as special soft jaws, pieces of hard
rubber or board.
Although not all drawings show the motor in a vise, we recommend
that you keep the motor in the vise during disassembly and reassembly. Follow the clamping procedures explained throughout the
manual.
Tie Bolts
Seal Seal
Figure 4
4 Carefully remove 76,0 [3.00] diameter seal from valve housing.
5 Remove case drain plug—with seal, from valve housing.
6 Remove 2 pins and 2 springs from balance ring assembly, see
Figure 5.
Case Drain Plug
Figure 2
3
2000 Series Disc Valve Motors
Disassembly
Outer Face Seal
Inner
Face Seal
Valve Balance Ring
Figure 5
7 Remove balance ring assembly.
8 Remove inner and outer face seals from balance ring.
9 Remove the valve.
Valve Drive
Pin (2) and
Spring (2)
15 Remove the 76,0 [3.00] diameter seal from wear plate,
see Figure 7.
Bearing
Housing
16 Remove the wear plate.
17 Remove the shaft face seal from the wear plate.
18 Remove the 76,0 [3.00] diameter seal from bearing housing.
Bearing
Housing
Seal
Wear
Plate
Shaft Face Seal
Figure 8
Seal
Figure 6
10 Remove the valve plate.
11 Remove the 76,0 [3.00] diameter seal from valve plate.
12 Remove the valve drive.
Seal
Figure 7
13 Remove the Geroler. Be sure to retain the rollers in the outer ring
if they are loose.
14 Remove the drive.
Valve Plate
Seal Geroler
Shaft and
Bearing
Assembly
Figure 9
19 You may need a press to remove shaft and bearing assembly from
bearing housing. (Key must be removed before removing shaft.)
Bearing Housing Shaft Seal
Exclusion
Seal
Back-up Washer
Figure 10
20 Use a small screwdriver to remove shaft seal, back-up washer and
exclusion seal from bearing housing, see Figure 10. Do not damage
bore of housing.
Note: Individual parts of shaft and bearing assembly are not sold
separately. Replace as a unit.
4
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