2. Toro
  3. Z Master Professional 7500-D Series Riding Mower, With 60in TURBO FORCE Rear Discharge Mower
Z Master Professional 7500-D Series Riding Mower, With 60in TURBO FORCE Rear Discharge Mower

Toro Z Master Professional 7500-D Series Riding Mower, With 60in TURBO FORCE Rear Discharge Mower User manual

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KPS-18T
Service Manual
～Disassembly～
2006.3.31
1
Charge pump
Fig.3
NOTE：
Use cloths or paper towels to catch and clean up any
spilled oil immediately.
Remove parts in a clean place. When removing, take
care not to enter contamination in cases.
When removing O-rings, packing and oil seals, always
replace them. Old O-rings, packing and oil seals may
be worm or damaged and will result in leaks.
Do not remove non-supplied parts.
1.KPS-18T Assembly(1) [Fig.1]
2.Remove filter(119) from pump body(100). [Fig.2]
3.Remove solenoid cmp(135) from pump body(100).
And remove sleeve(132), spool(133) and spring(134)
from pump body(100). [Fig.3, Fig.4]
*Do not drop pin(140) and spool(133).
Fig.1
Fig.2
1
119
135
134
133
132
131
100
140
Fig.4
2
Charge pump
Fig.6
4.Remove plug(118), spring(117), O-ring(39)
and valve(116) from pump body(100).
[Fig.5] (Filter bypass valve)
5.Remove plug(109), spring(110), O-ring(14)
and valve(108) from pump body(100).
[Fig.6] (Pressure valve)
6.Remove plug(113), spring(114), O-ring(14)
and valve(112) from pump body(100).
[Fig.6] (Charge relief valve)
7.Remove two bolts(125), cover(123), gasket
(124), spring(122), collar(121) and piston
(120) from pump body(100).
[Fig.7] (Accumlator)
*Do not drop valves(116)(108)(112), piston(120)
and collar(121).
*Remove bolts(125) while holding plate(123)
with your hand, and remove plate(123) slowly.
Fig.5
Fig.7
120
122 121
124
123 125
108 110
14 109
112
114
113
14
116 117
39 118
X2
3
Charge pump
Fig.9
8.Remove three bolts(45) and two bolts(129). [Fig.8]
9.Remove pump body assembly. [Fig.9]
10.Remove O-ring(128), five O-rings(39), two pins
(126), two plugs(23), two O-rings(24) and four plugs
(105). [Fig.10]
11.Remove inner rotor(103) and outer rotor(104).
[Fig.11]
*Inspect rotors. Rotors should be free of all nicks and
scratches.
*Do not drop charge pump rotors(103)(104) and
avoid damage of surfaces.
*Avoid damage of machined surfaces(center case(3)
and pump body(100)).
Fig.8
45
129
Fig.10
Fig.11
104
103
24
23
23 24
105
39
128
126
X4
X5
X2
102
Pump body assembly
Pump body assembly
3
100
4
Center case
Fig.13
12.Remove key(127) and eight bolts(25). [Fig.12]
13.Remove center case assembly, packing(31) and
two pins(40) slowly . [Fig.13]
*Remove valve plates(9) from cylinder block cmp
(51), when removing center case cmp(2).
*Peel off packing that was attached to machined
surfaces(center case(3) and housing(27)).
*Avoid damage of machined surfaces(center case(3)
and housing(27)), when peeling off packing.
Fig.12
25
127
31
40
Fig.14
X8
X2
51
X2
14.Remove two valve plates(9),
two bypass valve cmp(31),
two CR-valve F cmp(7) and
two CR-valve R cmp(8) from
center case(3). [Fig.15]
Fig.15
X2
X2
9
18
7
8
7
8
3
Center case assembly
Center case
assembly
27
5
Center case
15.Bypass valve cmp(18)
CR-valve F cmp(7)
CR-valve R cmp(8) [Fig.16]
16.Remove two plugs(13),
two O-rings(14), spring(12),
valves(11), spring(17), valve
(16), six plugs(23) and
six O-rings(24) from center case
(3). [Fig.17]
17.Valve plate(9). [Fig.18]
Fig.18
16
X6
Fig.17
23
X6
24
17
14 13
13
14
12 11
9
Fig.16
*Do not drop valves(11),(16) and valve plates(9).
*Avoid damage of surfaces(center case(3) and valve plates(9)).
*Inspect valve plates(9). Valve plates(9) should be flat, free of all
nicks, burrs, scratches, and erosion around the port. If scratches
or grooves are detected, valve plates(9)must be replaced.
16
11
7 8
18
CR-valve R cmpCR-valve F cmp
Bypass valve cmp
Groove for
distinction
6
Cylinder block cmp
18.Remove two cylinder block cmp(51), pipe(36) and
two O-rings(34) from housing(27). [Fig.20]
19.Cylinder block cmp and piston [Fig.21]
20.Pipe-B cmp(35) [Fig.22]
21.Remove two thrust plates(61), two bolts(63)
two nuts(64) and two control arms(62). [Fig.23]
*Do not drop pistons when removing cylinder block
cmp(51).
*Avoid damage of surfaces(pistons(52) and
cylinder blocks(55) and thrust plates(61)).
*Inspect cylinder blocks(55). Remove and inspect all
pistons(52). If any damage is detected, replace
cylinder block cmp(51).
Fig.20
Fig.19
51
X2
36
34
X2
Fig.21
Fig.23
61
X2
63
X2
64
62
X2X2
51
27
61
52
Fig.22
34
36
X2
35
7
22.Remove plug(38) and O-ring(39) and two plugs
(23) and two O-rings(24). And remove fifteen bolts
(45). [Fig.24]
23.Remove housing(43), packing(44)and two pins(40)
and remove ring(41), spacer(37) and oil seal(42).
[Fig.25]
24.Remove shaft(input cmp and shaft(pump R cmp
shaft(pump L cmp. And pipe(33) and two o-rings
(34). [Fig.26]
*Peel off packing that was attached to machined
surfaces(housing(27)(43)).
*Avoid damage of machined surfaces(housing(27),
(43)) when peeling off packing.
Fig.25
Fig.24
41
X2
45
X15
24 23
23
24
39
38
37
42
40
44
Fig.26
33
34
X2
43
27
Shaft(pump L cmp
Shaft(pump R cmp
Shaft(input cmp
33
34
X2
Housing(gear , Shaft , Gear
32
45
8
27
Shaft, gear
25.Remove two bearings(48), gear(47) from
shaft(input(46). [Fig.27]
26.Remove two bearings(57), gear(50) and
seal ring(56) from shaft(pump R (58).
[Fig.28]
27.Remove two bearings(57), gear(50) and
seal ring(56) from shaft(pump L(49).
[Fig.29]
28.Remove PTO cmp from housing(27).
[Fig.30]
*Do not drop gears, shafts and bearings.
*Avoid damage of machined surfaces
(housing(27), gears, shafts).
*If damage is detected, seal ring(56) must
be replaced.
46
47 48
X2
Fig.28
57
50
56
X2
58
Shaft(pump R cmp
Shaft(input cmp
Fig.29
Shaft(pump L cmp
57
50
56
X2
49
Fig.30
Fig.27
PTO cmp
9
29.Remove bearing(93), spacer(89), PTO gear cmp,
clutch cylinder cmp(78), three rods(90) and key(92) from
PTO cmp. [Fig.32]
30.Remove two bearings(93), ring(87) and gear(77) from
PTO gear cmp. [Fig.33]
31.Remove bearing(57), B-plate(96), C-plate(97),
three A-plates(95), three friction plates(98), two seal rings
(56) and PTO shaft(75). [Fig.33]
*Do not drop gear(77), shaft(75) and bearings(57)(93).
*Avoid damage of machined surfaces(gear(77), shaft(74)).
*If damage is detected, seal ring(56) must be replaced.
Fig.32
Fig.31
X3
Fig.33
PTO cmp
92
X3
90
78
89
93
93
87
77
X2
PTO gear cmp
96
97
98
95
X3
56
X2
75
57
PTO gear cmp
PTO cmp
10
31.Remove friction plate(45) from housing(27).
[Fig.34]
32.Remove ring(41), spacer(37), oil seal(42),
plugs(29)(38) and O-rings(30)(39) from
housing(27). [Fig.36]
33.Remove six bolts(68), two rings(41),
two oil seals(42) and two side cover cmp(65)
from housing(27). [Fig.37]
*If damage is detected, side cover cmp(65) must
be replaced.
Fig.35
Fig.34
45
Fig.36
Fig.37
41
37
42
29
30
38
39
67
66
42
41 2868
X6
65
X2
X2
X2
27
Housing(pump , Swash plate
11
34.Remove two swash plates(59) and two washers
(60) from housing(27). [Fig.38]
35.Swash plate(59) [Fig.39]
36.Housing(pump cmp(26) [Fig.40]
*Do not drop swash plate(59).
*Avoid damage of machined surface(housing(27)).
Fig.40
Fig.38
26
Housing(pump , Swash plate
Fig.39
60
59
X2
X2
59
27
12
/