Hydro Gear Parts or New Units Call 606-678-9623 or 606-561-4983
1000/BDU-10S
Hydrostatic Transaxle
Service and Repair Manual
BLN-50386
February 2009
www.mymowerparts.com
Hydro Gear Parts or New Units Call 606-678-9623 or 606-561-4983
INDEX
SECTION 1
1.00
1.10
1.20
1.30
TROUBLESHOOTING .........................................................4
Tractor Will Not Move Forward or Reverse.
Over Heating
Brake Fails to Stop Vehicle or Hold on Hills.
Transmission Leaks Oil or Grease.
SECTION 2
BRAKE ADJUSTMENT AND REPAIR ................................5
SECTION 3
DAMAGED INPUT ASSEMBLY ..........................................7
SECTION 4
HYDRO TRANSMISSION REMOVAL .................................8
SECTION 5
TRANSAXLE REPAIR .........................................................8
5.10
5.20
5.30
5.40
5.50
5.60
SECTION 6
6.10
Reduction Gear
Reduction Gear Reassembly
Damaged Driven Pinion
Damaged Pinion Shaft
Final Drive/Differential
Axle Shaft Replacement
HOUSING CRACKED OR BROKEN ...................................13
Stripped Threads
SECTION 7
DAMAGED BALL BEARINGS ............................................13
SECTION 8
TRANSAXLE REASSEMBLY..............................................14
2
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HYDRO TRANSAXLE ASSEMBLY
REF
DESCRIPTION
A
Differential Assembly
B
Drive Shaft
C
Drive Pinion
D
Reduction Gear Assembly
E
Brake Assembly
F
Pinion Shaft
G
Couplings
H
Freewheel Button
I
Hydrostatic Transmission
3
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4
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5
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Hydro Gear Parts or New Units Call 606-678-9623 or 606-561-4983
INPUT ASSEMBLY
SECTION 3
REF
DESCRIPTION
18
INPUT SHAFT
19
RETAINING RING
20
RETAINING RING
21
INPUT BEARING HOUSING
22
NEEDLE BEARING
23
THRUST BEARING
24
THRUST RACE
27
INPUT PINION GEAR
28
FLAT WASHER 5/8" ID
70
NEEDLE BEARING
6
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7
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8
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Hydro Gear Parts or New Units Call 606-678-9623 or 606-561-4983
FIGURE 8
FIGURE 10
Caution! Do not nick mating surfaces. Tap lightly on drive
shaft (#46) with a brass hammer as needed. See figure 9.
FIGURE 9
5.04
Should ball bearing remain on drive shaft after removal of drive shaft assembly, use a puller as
shown in figure 10 to remove ball bearing.
9
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Hydro Gear Parts or New Units Call 606-678-9623 or 606-561-4983
REDUCTION GEAR
SECTION 5.10
REF
DESCRIPTION
47
NEEDLE BEARING
48
THRUST BEARING
52
REDUCTION GEAR
60
DOWEL PIN
61
GREASE SEAL, BRONZE
10
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11
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Hydro Gear Parts or New Units Call 606-678-9623 or 606-561-4983
DIFFERENTIAL ASSEMBLY
SECTION 5.50
REF
DESCRIPTION
REF
14
DESCRIPTION
3
AXLE, (LH)
DIFFERENTIAL HOUSING
4
AXLE, (RH)
7
MITER GEAR SPLINED
15
FLANGE BEARING 3/4 ID
8
MITER GEAR 1/2 ID
16
FINAL DRIVE GEAR 72T
10
CROSS SHAFT
17
TORX HEAD BOLT
12
RETAINING RING
13
THRUST BEARING
ASSEMBLY
12
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13
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Hydro Gear Parts or New Units Call 606-678-9623 or 606-561-4983
14
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Hydro Gear Parts or New Units Call 606-678-9623 or 606-561-4983
15
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210-1010S
"A"
Hydro Gear Parts or New Units Call 606-678-9623 or 606-561-4983
16
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17
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Hydro Gear Parts or New Units Call 606-678-9623 or 606-561-4983
NOTES
18
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Hydro Gear Parts or New Units Call 606-678-9623 or 606-561-4983
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Hydro Gear Parts or New Units Call 606-678-9623 or 606-561-4983
© 2009 HYDRO-GEAR
Printed in U.S.A.
Rev. P1
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