22
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English
29
See page 27
for installation
instructions.
28
29
27
25
Hydraulic Motor
Item
Part #
Description
Quantity
1
235-018
Trip retainer ..............................................2
2
141-007
O-ring .......................................................2
3
325-005
Trip spring, ..............................................2
4
569-016
Ball, SS.....................................................2
5
441-908
Spool / sleeve set.....................................1
6
441-152
O-ring .......................................................3
7
235-030
Cylinder head plug ...................................1
8
441-217
O-ring .......................................................1
9
858-811
Flex lock nut .............................................1
10
451-121
Elbow, 90º ................................................1
11
235-112
Cylinder head ...........................................1
12
431-032
O-ring .......................................................2
13
431-053
Sleeve retainer .........................................1
14
431-054
Retainer ring.............................................1
15
192-000
Elbow........................................................1
16
235-022
Piston retainer screw................................1
17
235-014
Piston .......................................................1
18
235-027
Piston seal................................................1
19
235-026
O-ring .......................................................1
20
236-021
Valve rod assembly ..................................1
21
236-948
Piston rod .................................................1
22
235-001
Lock ring...................................................1
23
236-007
Cylinder ....................................................1
24
235-028
Rod seal ...................................................1
25
236-829
Motor/pump block.....................................1
26
236-029
Motor tube ................................................1
27
235-125
Tee............................................................1
28
431-019
O-ring kit...................................................1
29
700-499
O-ring .......................................................2
Motor Service Kit — Minor (P/N 235-050)
Item
Part #
Description
Quantity
2
141-007
O-ring .......................................................2
3
325-005
Trip spring ................................................2
4
569-016
Ball, SS.....................................................2
6
441-152
O-ring .......................................................3
8
441-217
O-ring .......................................................1
9
858-811
Flex lock nut .............................................1
12
431-032
O-ring .......................................................2
18
235-027
Piston seal................................................1
19
235-026
O-ring .......................................................1
24
235-028
Rod seal ...................................................1
Servicing the Hydraulic Motor
Perform this procedure using the necessary parts from Motor
Service Kit — Minor (P/N 235-050). If the hydraulic motor is
operable, start the machine and jog the piston rod (21) into its
top position.
Disassembling the Hydraulic Motor
1. Disconnect the pressure hose from the elbow (34 and 35
in Hydraulic System parts list) on the back of the hydraulic
pump.
2. Remove the two mounting screws and two lock washers (17
and 16, in Cart Assembly parts list) that attach the
motor/pump assembly to the cart.
3. Place the motor/pump assembly in a vise, holding it
securely by the motor/pump block (25).
NOTE: Servicing of the hydraulic motor should be
carried out in a clean, dust free area only. Any
dust or metallic particles left in the motor or
entering it on reassembly may damage the
critical parts and affect its service life and
warranty. All parts should be inspected for
absolute cleanliness.
