Parker HTG Series, Service Procedure

Page: 17 / 64

Service Manual
HTG Series Integrated Hydrostatic Transmission
17
Parker Hannifin Corporation
Hydraulic Pump/Motor Division
Greeneville, Tennessee USA
HY13-1524-002-M1/US
General Information
39 1 410123 BYPASS VALVE ASSEMBLY
40 1 410124 CHARGE RELIEF VALVE ASSEMBLY
42 1 411136 FILTER TUBE (LH)
45 1 452011 CONTROL BLOCK
47A 1 452005 TRUNNION ARM
47B 1 452016 TRUNNION ARM
47C 1 452019 TRUNNION ARM
47D 1 452027 TRUNNION ARM
48 1 452018 BYPASS LEVER
50 1 477369 PORT PLATE
54 1 H1A014000 ROTOR SET ASSEMBLY
58 1 HD018000 CHARGE PUMP COVER
59 1 HD019000-A1 SHAFT ASSEMBLY
60 1 HP2013000-A1 SWASH BLOCK ASSEMBLY
ITEM QTY PART NUMBER DESCRIPTION
2 4 020297 SOCKET HEAD CAP SCREW, 3/8-16 UNRC-3A X 1.5
4 2 021415 SPECIAL BOLT, 3/8-24 UNF-2A X 6.125
5 2 021393 SPECIAL BOLT, 3/8-24 UNF-2A X 6.625
8 15 023002 THREAD FORMING SCREW 1/4-20 X .625
9 2 100000031-105 HEX HEAD SCREW 1/4-28 UNRF-2A X 2.25
14 4 028996 WASHER, FLAT, Ø.406 ID X Ø827 OD X .098
16 1 032202-013 PREFORMED O-RING SEAL
17 2 032202-116 PREFORMED O-RING SEAL
18A 1 034008 GASKET, BOTTOM COVER, FE
18B 1 034007 GASKET, BOTTOM COVER, COMPOSITE
22A 2 036038 PLUG & O-RING ASSEMBLY, M18 X 1.5-6g
22B 2 409035 PLUG & O-RING ASSEMBLY, M18 X 1.5-6g
23 2 410113 RELIEF VALVE SUB-ASSEMBLY
24 2 401143 SPRING
25 2 409041 POPPET VALVE
29 1 063048 THRUST BEARING
30 1 069010 THRUST WASHER
31 1 069011 THRUST WASHER
33 1 401145 EXTERNAL RETAINING RING
34 1 401302 SPRING (CENTRAL)
36A 1 402136 BOTTOM COVER ASSEMBLY
36B 1 402139 BOTTOM COVER ASSEMBLY
38A 2 409353 ORIFICE PLUG (Ø .018)
38B 2 409354 ORIFICE PLUG (Ø .024)
38C 2 409355 ORIFICE PLUG (Ø .031)
38D 2 409356 ORIFICE PLUG (Ø .044)
38E 2 409357 ORIFICE PLUG (NO ORIFICE)
Left-hand Unit Exploded View & Parts List
(page 4 of 4)
Pump Assembly Detail
2
5
4
8
47D
47B
47C
47A
45
60
29 30 31
55A
50
34
55B
48 39 40 33
22B 24 25
22A 23
22B 24 25
22A 23
14
57
17
54
58
9
16
42
18A
36A
38
38
SEE PARTS LIST FOR
ORFICE PLUG OPTIONS
4X
2X
2X
TO MOTOR
TORQUE TO
45-55 ft-lbs
THRU FILTER
TUBE BRACKET
TORQUE TO
21-24 ft-lbs
THRU TOP
HOUSING
4X
TO TOP HOUSING
TORQUE TO
270-300 in-lbs
2X
TORQUE TO
21-24 ft-lbs
2X TO END BLOCK
TORQUE TO
90-110 in-lbs
THRU WASHER
TO END BLOCK
TO FILTER
10X
THRU COVER & GASKET
TO TOP HOUSING
TORQUE TO 100-120 in-lbs
18B
36B