Eaton Char-Lynn HP30 User manual

Char-Lynn®
HP30 Motors Design code - 002
Parts and repair
information

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 20152EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 3
Table of contents
Bearingless motors
Section Description Page No.
1.0 Exploded View 3-4
2.0 Part List 5-8
3.0 Disassembly 9-10
4.0 Reassembly 11-15
5.0 How to Order Replacement Parts 16
Standard and wheel motor
6.0 Exploded View 17-19
7.0 Part List 20-23
8.0 Disassembly 24-26
9.0 Reassembly 27-33
10.0 How to Order Replacement Parts 34

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 20152EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 3
Exploded View
(Single Speed - Bearingless Motor)
Seal, Shaft face
40
Flange,
Mounting
35
O-ring
(Section Seal)
21
33
Drive
Geroler
Sub-Assy
32
O-ring
(Section Seal)
21
Plate, Valve
22
O-ring
(Section Seal)
21
Drive,
Valve
20
Valve
19
17
Outer Balance Ring
Sub-Assy
15
O-ring
14
Inner Balance Ring
Sub-Assy
18
Pin,
Dowel
Housing,
Valve
1
7 Plug
Sub-
Assembly
Nameplate
98
Cap Screw, 12 Pt
34
11
Spring,
Compression
36
Poppet
38
Spring 39
Plug S/A
8 Ball, Steel
9
Seat, Ball Sub-Assy
10 Plug
Sub-Assembly
Ring,
Backup
16
Ring,
Backup
16
Ring,
Backup
13
O-ring
12
6
Plug
Sub-Assembly
Plug
Sub-Assembly
6
Sleeve,
Dash Pot
5
Spring
4
Poppet
3
Piston, Shuttle
2
Poppet
3
Spring
4
Sleeve,
Dash Pot
5
Plug
Sub-Assembly
6
Spring
4
Spring
4Ball
47
For Closed Loop Design
For Open Loop Design
49
Strainer
Plug,
Orice
48
For Open Loop
Design
For Relief
Valve Option

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 20154EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 5
Exploded View
(Two Speed - Bearingless Motor)
Plug
Sub-Assembly
6
Sleeve,
Dash Pot
5
Spring
4
Poppet
3
Piston, Shuttle
2
Poppet
3
Spring
4
Sleeve,
Dash Pot
5
Plug
Sub-Assembly
6
Spring
4
Spring
4Ball
54
For Closed Loop Design
For Open Loop Design
56
Strainer
Plug,
Orice
55
For Open Loop
Design
40
Seal,
Shaft face
35
Flange,
Mounting
21
O-ring (Section Seal)
Plug,
Sub-Assy
53
Spring®
51
O-ring
49
Ring,
Backup
50
O-ring
48
Ring,
Backup
47
Plate,
Balance
Sub-Assy
52
Drive
33
23
Gasket,
Spool Housing
24
Housing,
Spool
Plug,
Sub-Assy
30 31
Screw,
Cap
29
Plug,
Sub-Assy
32
Geroler Sub-Assy
21
O-ring (Section Seal)
22
Plate, Selector Sub-Assy
21
O-ring (Section Seal)
Drive,
Valve
20
Valve
19
17
Outer Balance Ring
Sub-Assy
15
O-ring
14
Inner Balance Ring
Sub-Assy
18
Pin,
Dowel
Housing,
Valve
1Nameplate
98
34
Cap Screw,
12 Pt
11
Spring,
Compression
Poppet 36
Spring 38
39 Plug S/A
8 Ball, Steel
9 Seat,
Ball Sub-Assy
10 Plug
Sub-Assembly
Ring,
Backup
16
Ring,
Backup
16
Ring,
Backup
13
O-ring
12
6
Plug
Sub-Assembly
7
Plug Sub-Assembly
Plug,
Sub-Assy
28
27
Spring,
Compression
26
Spring,
Compression 25
Spool,
Control
For Relief
Valve Option

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 20154EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 5
Part List
(Single Speed - Bearingless Motor)
Item Description
Ref No. Part No. Description Quantity
1 5998727-001 Housing, Valve 1.0625-12 UN-2B SAE O-Ring Ports (2) 1
5998727-007 Housing, Valve G 1 BSP Straight Thread Ports 1
2 201494-002 Piston, Shuttle 1
3 8567-000 Poppet 2
4 230079-000 Spring 2
5 112126-001 Sleeve, Dash Pot 2
6 9266-006 Plug Sub-Assembly 2
X 250003-904 O-ring 2
7 9266-006 Plug Sub-Assembly 1
X 250003-904 O-ring 1
8 18026-000 Ball, Steel 1
9 5992342-001 Seat, Ball Sub-Assy 1
X 250003-902 O-ring 1
10 9266-006 Plug Sub-Assembly 1
X 250003-904 O-ring 1
11 6203-000 Spring, Compression 10
X 12 14502-032 O-ring 1
X 13 5989483-001 Ring, Backup 1
14 5991782-001 Inner Balance Ring Sub-Assy 1
268009-005 Pin, Roll 2
X 15 14502-040 O-ring 1
X 16 5989483-002 Ring, Backup 2
17 5991783-001 Outer Balance Ring Sub-Assy 1
268009-005 Pin, Roll 2
18 5987800-001 Pin, Dowel 1
19 5987445-001 Valve 1
20 5987844-001 Drive, Valve 1
X 21 250002-161 O-ring (Section Seal) 3
22 5989335-001 Plate,Valve 1
32 * Geroler Sub-Assy 1
33 * Drive, Main 1
34 * Cap Screw, 12 PT 9
35 5987755-007 Flange, Mounting Shuttle Valve With .5625-18 UNF-2B 1
SAE O-Ring Case Drain Port In Mounting Flange .
5987755-009 Flange, Mounting Check Valve With Orice Plug, 1
5625-18 UNF-2B SAE O-Ring Case
Drain Port In Valve Housing
36 113538-001 Poppet (for relief valve unit only) 1
38 113186-001 Spring (for relief valve unit only) 1
39 9072-006 Plug Sub-Assembly 1
X 250003-905 O-ring
X 40 9080-001 Seal, Shaft Face 1
47 285020-140 Ball (for open loop design only) 2
48 9289-001 Plug, Orice (for open loop design only) 1
49 31500-452 Strainer (for open loop design only)
9900847-000 Seal Kit - Contains Parts Indicated by X 1
* = See Chart

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 20156EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 7
Displacement Ref. No. 32 Width Ref. No. 33 Length Ref. No. 34 Length
cm3 /r [in3/r] Geroler mm [inch] Drive mm [inch] Cap Screw mm [inch]
343.8 [20.98] 5991701-001 32,1 [1.26] 5992182-001 130,4 [5.13] 114154-025 185,2 [7.29]
400.0 [24.40] 5991701-002 37,3 [1.47] 5992182-002 135,7 [5.34] 114154-026 190,5 [7.50]
434.2 [26.50] 5991701-006 40,6 [1.60] 5992182-006 138,9 [5.47] 114154-026 190,5 [7.50]
479.5 [29.26] 5991701-003 44,7 [1.76] 5992182-003 143,1 [5.63] 114154-027 197,9 [7.79]
677.3 [41.33] 5991701-007 63,2 [2.49] 5992182-008 161,2 [6.35] 114154-029 216,4 [8.52]
Part List
(Single Speed - Bearingless Motor)

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 20156EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 7
Item description
Ref No. Part No. Description Quantity
1 5998727-001 Housing, Valve 1.0625-12 UN-2B SAE O-Ring Ports (2) 1
5998727-007 Housing, Valve G 1 BSP Straight Thread Ports (2) 1
2 201494-002 Piston, Shuttle 1
3 8567-000 Poppet 2
4 230079-000 Spring 2
5 112126-001 Sleeve, Dash Pot 2
6 9266-006 Plug Sub-Assembly 2
X 250003-904 O-ring 2
7 9266-006 Plug Sub-Assembly 1
X 250003-904 O-ring 1
8 18026-000 Ball, Steel 1
9 5992342-001 Seat, Ball Sub-Assy 1
X 250003-902 O-ring 1
10 9266-006 Plug Sub-Assembly 1
X 250003-904 O-ring 1
11 6203-000 Spring, Compression 10
X 12 14502-032 O-ring 1
X 13 5989483-001 Ring, Backup 1
14 5991782-001 Inner Balance Ring Sub-Assy 1
268009-005 Pin, Roll 2
X 15 14502-040 O-ring 1
X 16 5989483-002 Ring, Backup 2
17 5991783-001 Outer Balance Ring Sub-Assy 1
268009-005 Pin, Roll 2
18 5987800-001 Pin, Dowel 1
19 5987445-001 Valve 1
20 5987844-001 Drive, Valve 1
X 21 250002-161 O-ring (Section Seal) 3
22 5991781-001 Plate, Selector Sub-Assy 1
5989384-001 Insert, Sleeve 1
X 23 5990046-001 Gasket, Spool Housing 1
24 5989326-002 Housing, Spool 1
25 112850-002 Spool, Control 1
26 112211-001 Spring, Compression 1
27 114587-001 Spring, Compression 1
28 9151-002 Plug Sub-Assembly 1
X 250003-908 O-ring 1
29 9072-006 Plug Sub-Assembly 1
250003-908 O-ring 1
30 9266-003 Plug Sub-Assembly 1
X 250003-904 O-ring 1
31 16148-320 Screw, Cap 10
32 * Geroler Sub-Assy 1
33 * Drive, Main 1
34 * Cap Screw, 12 PT 9
Part List
(Two Speed - Bearingless Motor)
X

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 20158EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 9
Item description
Ref No. Part No. Description Quantity
35 5991797-005 Flange, Mounting Shuttle Valve With .5625-18 UNF-2B 1
SAE O-Ring Case Drain Port
5987755-010 Flange, Mounting Shuttle Valve With .5625-18 UNF-2B 1
SAE O-Ring Case Drain Port In Mounting Flange .
36 113538-001 Poppet (for relief valve unit only) 1
38 113186-001 Spring (for relief valve unit only) 1
39 9072-006 Plug Sub-Assembly 1
X 250003-905 O-ring 1
X 40 9080-001 Seal, Shaft Face 1
X 47 5989483-004 Ring, Backup 1
X 48 112530-044 O-ring 1
X 49 112530-139 O-ring 1
X 50 14649-003 Ring, Backup 1
51 6023120-001 Spring 1
52 6023947-001 Plate, Balance Sub-Assy 1
53 9266-006 Plug Sub-Assembly 1
X 250003-904 O-ring 1
54 285020-140 Ball (for open loop design only) 2
X 55 9289-001 Plug, Orice (for open loop design only) 1
X 56 31500-452 Strainer (for open loop design only) 1
9900682-000 Seal Kit Contains Parts Indicated by X
Part List
(Two Speed - Bearingless Motor)
Displacement Ref. No. 32 Width Ref. No. 33 Length Ref. No. 34 Length
cm3 /r [in3/r] Geroler mm [inch] Drive mm [inch] Cap Screw mm [inch]
343.8 [20.98] 5991701-001 32,1 [1.26] 5992182-001 130,4 [5.13] 114154-025 185,2 [7.29]
400.0 [24.40] 5991701-002 37,3 [1.47] 5992182-002 135,7 [5.34] 114154-026 190,5 [7.50]
434.2 [26.50] 5991701-006 40,6 [1.60] 5992182-006 138,9 [5.47] 114154-026 190,5 [7.50]
479.5 [29.26] 5991701-003 44,7 [1.76] 5992182-003 143,1 [5.63] 114154-027 197,9 [7.79]
677.3 [41.33] 5991701-007 63,2 [2.49] 5992182-008 161,2 [6.35] 114154-029 216,4 [8.52]
* = See Chart

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 20158EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 9
Tools required
• 7/32 inch Hex Key (Relief Valve Plug)
• 1/4 inch Hex Key (Shuttle Valve Plug)
• 5/16 inch Hex Key (Spool Housing Plug)
• 5/32 inch Hex Key (Spool Housing Screw, Cap)
• 7/8 Socket
• 9/16 Socket (12 Point Drive)
• Torque wrench - 142 Nm [1260 lb-in] capacity
3.0 Disassembly
3.0.1 Cleanliness is extremely important when repairing
hydraulic motors. Work in a clean area. Before
disconnecting the hydraulic motor thoroughly clean
the exterior. Remove motor from application and
drain the oil from the motor before disassembly.
3.0.2 Remove the 9 cap screws and disassemble the
motor in the vertical position as shown in
Figure 1A & 1B.
3.0.3 Remove shuttle valve (and relief valve if applicable)
from Valve Housing.
3.0.4 Check all mating surfaces. To reduce the chance of
leakage, replace any parts that have scratches or
burrs. Wash all metal parts in clean solvent. Blow
them dry with pressurized air. Do not wipe parts
dry with paper towels or cloth as lint in a hydraulic
system will cause damage.
Disassembly
(Single and Two speed Bearingless Motor)
Screws, Cap
Housing, Valve
Spring, Compression
Pin, Dowel
O-ring
Ring, Backup
Inner Balance Ring Sub-Assy
O-ring
Ring, Back-up
Outer Balance Ring Sub-Assy
Valve
Drive, Valve
O-ring (Section Seal)
Drive, Main
Geroler Sub-Assy
O-ring (Section Seal)
Flange, Mounting
Seal, Shaft Seal
O-ring (Section Seal)
Ring, Back-up
Plate, Valve
Figure 1A
(Single Bearingless Motor)

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 201510 EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 11
Disassembly
(Single and Two Speed Bearingless Motor)
Figure 1B
Screws, Cap
Housing, Valve
Spring, Compression
Pin, Dowel
O-ring
Ring, Backup
Inner Balance Ring Sub-Assy
O-ring
Ring, Back-up
Outer Balance Ring Sub-Assy
Valve
Drive, Valve
O-ring (Section Seal)
Plate, Selector Sub-Assy
Gasket, Spool Housing
Spool Housing
Drive, Main
Geroler Sub-Assy
O-ring (Section Seal)
Plate Balance Sub-Assy
Ring, Backup
O-ring
O-ring
Ring, Backup
Spring
Flange, Mounting
Seal, Shaft Seal
O-ring (Section Seal)
Ring, Back-up
(Two Speed Bearingless Motor)

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 201510 EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 11
Note: Always use new seals when reassembling hydraulic
motors. Refer to parts list for seal kit number and replace-
ment parts.
Important: During reassembly, lubricate the new seals
with a petroleum jelly such as Vaseline®. Also lubricate
machined surfaces with clean hydraulic uid.
4.0 Valve housing assembly
4.0.1 Install one poppet, spring, dash pot and threaded
internal hex plug with O-ring into shuttle valve bore
from one end of Valve Housing.
4.0.2 Install shuttle piston from opposite end of shuttle
valve cavity.
4.0.3 Install one shuttle valve poppet, spring, dash pot onto
piston and threaded internal hex plug with O-ring
from opposite end of shuttle valve cavity.
4.0.4 Shuttle plug threads may have light coat of oil or
preservative. Torque both plugs to 360 +/- 36 lbf-in.
4.0.5. For a motor with open loop design, Install Ball,
Spring and threaded internal hex plug with O-ring
form one end of cavity. And then install another Ball,
Spring and threaded internal hex plug with O-ring
from opposite end of cavity. Torque both plugs to
360 +/- 36 lbf-in. Plugs may have light coat of oil or
preservative.
4.0.6. For a motor with low pressure relief valve, install
poppet, spring and plug. Plug threads may have light
coat of oil or preservative. Torque plug to 180+/-18
lb-in.
4.0.7. For a motor without low-pressure relief valve, Install
and torque plug to 180 ± 18 lbf-in. Plug may have
light coat of oil or preservative.
4.0.8. Install ball and seat ball sub-assembly. Torque seat to
60 +/- 6 lbf-in. Install plug sub-assembly and torque to
360 +/- 36 lbf-in.
Reassembly
(Single and Two Speed Bearingless Motor)
Plug
O-ring Sleeve,
Dash Pot Spring Poppet
Piston,
Shuttle Poppet Spring Sleeve,
Dash Pot
Shuttle Valve Parts
(Shown Enlarged)
Poppet
Spring
Plug
O-ring
Relief Valve Parts
(Shown Enlarged)
Poppet
Spring
Plug
O-ring
Relief Valve
Sleeve, Dash Pot
Spring
Poppet Piston, Shuttle
Poppet
Sleeve,
Dash Pot
Spring
Shuttle Valve
Shuttle
Valve
Relief
Valve
Plug O-ring
Figure 2

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 201512 EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 13
Reassembly
(Single and Two Speed Bearingless Motor)
4.1 Outer balance ring assembly
4.1.1 Install one backup ring (75,1 [2.96] OD), then one
O-ring (72,7 [2.86] ID) followed by one backup ring
(75,1 [2.96] OD) into the O-ring groove in the outer
balance ring. Seals and backups are to be greased.
Ensure splits in backup rings are mated correctly.
Location of splits in backup rings should not be
aligned, a minimum of 90 degrees of separation is
recommended.
4.1.2 Install one O-ring (47,3 [1.86] ID) then one backup
ring (48,6 [1.91] OD) into the inner balance ring
groove, located in the valve housing. Seal and backup
are to be greased. Ensure split in backup ring is
mated correctly.
4.1.3 Grease dowel pin and install in valve housing.
4.1.4 Install 10 balance ring springs in valve housing.
4.1.5 Install inner and outer balance ring sub-assemblies
into valve housing. Ensure O-rings seals are seated.
4.1.6 Install greased O-ring section seal (139,4 [5.49] ID) in
valve housing O-ring groove.
Screws, Cap
Housing, Valve
Spring, Compression
Pin, Dowel
O-ring
Ring, Backup
Inner Balance Ring Sub-Assy
O-ring
Ring, Back-up
Outer Balance Ring Sub-Assy
Valve
Drive, Valve
O-ring (Section Seal)
Drive, Main
Geroler Sub-Assy
O-ring (Section Seal)
Flange, Mounting
Seal, Shaft Seal
O-ring (Section Seal)
Ring, Back-up
Plate, Valve
Figure 3A
(Single Speed Bearingless Motor)

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 201512 EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 13
O-ring (Section Seal)
Plate Balance Sub-Assy
Ring, Backup
O-ring
O-ring
Ring, Backup
Spring
Flange, Mounting
Seal, Shaft Seal
Screws, Cap
Housing, Valve
Spring, Compression
Pin, Dowel
O-ring
Ring, Backup
Inner Balance Ring Sub-Assy
O-ring
Ring, Back-up
Outer Balance Ring Sub-Assy
Valve
Drive, Valve
O-ring (Section Seal)
Plate, Selector Sub-Assy
Gasket, Spool Housing
Spool Housing
Drive, Main
Geroler Sub-Assy
O-ring (Section Seal)
Plate Balance Sub-Assy
Ring, Backup
O-ring
O-ring
Ring, Backup
Spring
Flange, Mounting
Seal, Shaft Seal
O-ring (Section Seal)
Ring, Back-up
Figure 4
Figure 3B
Reassembly
(Single and Two Speed Bearingless Motor)
(Two Speed Bearingless Motor)
(Two Speed Bearingless Motor)

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 201514 EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 15
Reassembly
(Single and Two Speed Bearingless Motor)
4.2 Flange assembly (For single speed
bearingless motor)
4.2.1 Position ange on workbench with the O-ring grooves face
down and install face seal (54,1 [2.13] OD).
4.3 Final assembly (For single speed
bearingless motor)
4.3.1 Place drive in build xture. Place mounting ange (seal
grooves up) over drive.
4.3.2 Place Geroler assembly (seal groove up) over mounting
ange. Install greased O-ring section seal (139,4 [5.49] ID)
in seal groove of Geroler assembly. Align shuttle ow hole
of Geroler with shuttle ow hole of mounting ange.
4.3.3 Mark drive teeth that align (See Figure A) with dykem pen.
Install valve drive into internal star spline (See Figure B or C
for motor timing).
4.3.4 Install valve plate onto Geroler sub-assembly (valve plate
valve slots up). Align shuttle ow hole of valve plate with
shuttle ow hole of Geroler sub-assembly.
4.3.5 Install valve onto valve drive and selector plate assembly.
Ensure long leakage groove is aligned with marked tooth on
valve drive (see Figure D).
4.3.6 Carefully invert valve housing and place onto valve plate.
Make sure that shuttle ow holes are aligned.
4.3.7 Install nine cap screws lubricated with DTE-26. Pre-torque
each in a crisscross pattern (see Figure 7) to 80+/-10 lb-ft.
Finally, in a crisscross pattern, tighten screws to
105+/-5 lb-ft.
4.4 Flange assembly (For two speed
bearingless motor)
4.4.1 Position ange on workbench with the O-ring grooves face
down and install face seal (54,1[2.13] OD).
4.4.2 With mounting ange O-ring grooves up (see Figure 4),
install O-ring section seal (139,4 [5.49] ID) into ange. Install
back-up ring (62,1 [2.45] OD) over O-ring (55,2 [2.18] ID)
with at side up. Back-up ring and O-rings may be greased
to assist in retaining parts.
4.4.3 Install spring in groove in mounting ange.
4.4.4 Install back-up ring (99,7 [3.93] OD) in groves of balance
plate sub assembly and then install O-ring (95,0 [3.74] ID)
over back-up ring from tapered side.
4.4.5 Install balance plate sub assembly in mounting ange with
tapered side down.
4.4.6 Install plug at 41 degree from horizontal centerline while
viewing from drive end (balance plate port), see Figure 5.
Plug may have light coat of oil or preservative. Torque plug
to 46 +/-2 lbf-ft.
4.5 Spool housing assembly (For two speed
bearingless motor)
4.5.1 Install control spool into spool housing by rst lubricating
control spool with DTE26. Install control spool into spool
bore, verifying that the control spool moves freely in bore.
4.5.2 Install nested springs and counter bored plug into end of
spool housing spool bore. Plug may have light coat of oil or
preservative. Torque plug to 46 +/-2 lbf-ft.
4.5.3 Install plug in opposite end of spool bore. Plug may have
light coat of oil or preservative. Torque plug to 46 +/-2 lbf-ft.
4.5.4 Install plug into spool housing port and torque to
192 +/- 19 lbf-in.
41°
Figure 5

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 201514 EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 15
Reassembly
(Single and Two Speed Bearingless Motor)
1
9
6
3
8
5
2
7
4
93157
8 6 2 4 10
Figure 7
Figure 6
4.6 Selector plate assembly (For two speed
bearingless motor)
4.6.1 Apply 1 drop of Loctite 290 in all 10 screw holes in
the selector plate while ensuring that no air is trapped
underneath the droplet. Install the gasket onto the selector
plate. Place the spool housing assembly onto the gasket.
Install and torque each of the 10 screws starting in the
middle working outwards using the sequence in Figure 6.
Torque each screw to 70 +/- 8 lbf-in.
4.7 Final assembly (For two speed
bearingless motor)
4.7.1 Place drive in build xture. Place mounting ange (seal
grooves up) over drive.
4.7.2 Place Geroler assembly (seal groove up) over mounting
ange. Install greased O-ring section seal (139,4 [5.49] ID) in
seal groove of Geroler assembly. Align shuttle ow hole of
Geroler with shuttle ow hole of mounting ange.
4.7.3 Mark drive teeth that align (See Figure A) with dykem pen.
Install valve drive into internal star spline (See Figure B or C
for motor timing).
4.7.4 Install selector plate onto Geroler sub-assembly (selector
plate valve slots up). Align shuttle ow hole of selector plate
with shuttle ow hole of Geroler sub-assembly.
4.7.5 Install valve onto valve drive and selector plate assembly.
Ensure long leakage groove is aligned with marked tooth on
valve drive (see Figure D).
4.7.6 Carefully invert valve housing and place onto selector plate.
Make sure that shuttle ow holes are aligned.
4.7.7 Install nine cap screws lubricated with DTE-26. Pre-torque
each in a crisscross pattern (see Figure 7) to 80+/-10 lb-ft.
Finally, in a crisscross pattern, tighten screws to
105+/-5 lb-ft.
Mark any teeth
Mark two teeth that
align
Figure A (Mark aligning teeth)
Orient Mark to the
right of lobe
centerline for
Standard Rotation
Figure C (Timing -
Reverse Rotation)
Figure B (Timing -
Standard Rotation)
Figure D (Valve
Orientation)
Orient Mark to
the left of lobe
centerline for
Reverse Rotation
Align Mark on Valve
Drive with long leakage
slot on Valve

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 201516 EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 17
How to order replacement parts
(Single and Two Speed Bearingless Motor)
Each order must include the following:
For more detailed information,
please contact:
Eaton’s Hydraulics Operations
14615 Lone Oak Road
Eden Prairie, MN 55344
For Specication and Performance data,
refer to catalog C-MOLO-TM012-E2
Product Number
Date Code
Part Name
Part Number
Quantity of Parts
Date
Serial Number
5 Digit Product
Serial Number
Day of Year
001 Thru 365
192 0000 001
Product Number
Product Line
Identication Number
Product Identication
Number
Engineering Change Code
Last two numbers
of Year
Code
000 00
189 0000 001
186 0000 001

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 201516 EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 17
Exploded view
(Single Speed Standard and Wheel Motor)
O-ring
(Section Seal)
21
33
Drive
Geroler
Sub-Assy
32
O-ring
(Section Seal)
21
Plate, Valve
22
O-ring
(Section Seal)
21
Drive, Valve
20
Valve
19
17
Outer Balance Ring
Sub-Assy
15
O-ring
14
Inner Balance Ring
Sub-Assy
18
Pin,
Dowel
Housing,
Valve
1
Plug Sub-Assembly
7Nameplate
98
Cap Screw, 12 Pt
34
11 Spring,
Compression
36
Poppet
38
Spring 39
Plug S/A
8
Ball,
Steel
9
Seat, Ball Sub-Assy
10 Plug
Sub-Assembly
Ring, Backup
16
Ring, Backup
16
Ring,
Backup
13
O-ring
12
6
Plug
Sub-Assembly
Bearing Housing
(See Page 19)
Plug
Sub-Assembly
6
Sleeve,
Dash Pot
5
Spring
4
Poppet
3
Piston, Shuttle
2
Poppet
3
Spring
4
Sleeve,
Dash Pot
5
Plug
Sub-Assembly
6
Spring
4
Spring
4Ball
47
For Closed Loop Design
For Open Loop Design
For Relief
Valve Option

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 201518 EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 19
Exploded view
(Two Speed Standard and Wheel Motor)
O-ring (Section Seal)
21
Spring®
51
O-ring
49
Ring,
Backup
50
O-ring
48
Ring,
Backup
47
Plate,
Balance Sub-Assy
52
33
Drive
Gasket, Spool Housing
23
Housing,
Spool 24
Plug, Sub-Assy 30
Screw, Cap
31
Plug, Sub-Assy
29
Geroler
Sub-Assy
32
O-ring
(Section Seal)
21
Plate,
Selector Sub-Assy
22
O-ring
(Section Seal)
21
Drive,
Valve
20
Valve 19
17
Outer Balance Ring
Sub-Assy
15
O-ring
14
Inner Balance Ring
Sub-Assy
18
Pin,
Dowel
Housing,
Valve
1
Plug Sub-Assembly
7 Nameplate
98
Cap Screw, 12 Pt
34
11 Spring,
Compression
36
Poppet 38
Spring 39
Plug S/A
8 Ball, Steel
9 Seat Ball, Sub-Assy
10 Plug Sub-
Assembly
Ring,
Backup
16
Ring,
Backup
16
Ring,
Backup
13
O-ring
12
6
Plug
Sub-Assembly
28
Plug,
Sub-Assy 27 Spring,
Compression
26
Spring,
Compression 25
Spool,
Control
Bearing Housing (See Page 19)
Plug
Sub-Assembly
6
Sleeve,
Dash Pot
5
Spring
4
Poppet
3
Piston, Shuttle
2
Poppet
3
Spring
4
Sleeve,
Dash Pot
5
Plug
Sub-Assembly
6
Spring
4
Spring
4Ball
54
For Open Loop Design
For Closed Loop Design
For Relief
Valve Option

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 201518 EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 19
57.15 [2.250] .125/1 Tapered
41
57.15 [2.250] Straight
41
53.98 [2.125] 16T Splined
41
Standard Mount (SAE)
35
Wheel Mount (SAE)
35
Seal, Shaft Face
40
Shaft, Sub-Assembly
41
O-ring
42
Shaft Seal
43
Front Retainer
44
Dust Seal
46
Retaining Ring
45
44.45 [1.750] .125/1 Tapered
41
40.01 [1.575] Straight
41
38.10 [1.500] 17T Splined
41
Standard Mount (SAE)
35
WHEEL MOUNT (SAE)
35
49
Strainer
Plug, Orice 48
For Single Speed Open Loop Design
56
Strainer
Plug,
Orice
55
WHEEL MOUNT (SAE)
35
For Two Speed Open Loop Design
Exploded view
(Single and Two Speed Standard and Wheel Motor)

EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 201520 EATON HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015 21
Part list
(Single Speed Standard and Wheel Motor)
Item description
Ref No. Part No. Description Quantity
1 5998727-001 Housing, Valve 1.0625-12 UN-2B SAE O-Ring Ports (2) 1
5998727-007 Housing, Valve G 1 BSP Straight Thread Ports 1
2 201494-002 Piston, Shuttle 1
3 8567-000 Poppet 2
4 230079-000 Spring 2
5 112126-001 Sleeve, Dash Pot 2
6 9266-006 Plug Sub-Assembly 2
X 250003-906 O-ring 2
7 9266-006 Plug Sub-Assembly 1
X 250003-906 O-ring 1
8 18026-000 Ball, Steel 1
9 5992342-001 Seat, Ball Sub-Assy 1
X 250003-902 O-ring 1
10 9266-006 Plug Sub-Assembly 1
X 250003-906 O-ring 1
11 6203-000 Spring, Compression 10
X 12 14502-032 O-ring 1
X 13 5989483-001 Ring, Backup 1
14 5991782-001 Inner Balance Ring Sub-Assy 1
268009-005 Pin, Roll 2
X 15 14502-040 O-ring 1
X 16 5989483-002 Ring, Backup 2
17 5991783-001 Outer Balance Ring Sub-Assy 1
268009-005 Pin, Roll 2
18 5987800-001 Pin, Dowel 1
19 5987445-001 Valve 1
20 5987844-001 Drive, Valve 1
X 21 250002-161 O-ring (Section Seal) 3
22 5989335-001 Plate, Valve 1
32 * Geroler Sub-Assy 1
33 * Drive, Main 1
34 * Cap Screw, 12 PT 9
35 5991796-018 Bearing Housing (Standard) Shuttle Valve With . 1
5625-18 UNF-2B SAE O-
Ring Case Drain Port In Mounting Flange
5991797-003 Bearing Housing (Wheel) Shuttle Valve With . 1
5625-18 UNF-2B SAE O-Ring Case Drain Port
In Mounting Flange
5992224-005 Bearing Housing (Standard) Shuttle Valve With 1
G 1/4 BSP Straight Thread Case Drain Port
In Mounting Flange
5991797-002 Bearing Housing (Wheel) Check Valve With Orice 1
Plug, .5625-18 UNF-2B SAE O-Ring Case Drain
Port In Valve Housing
36 113538-001 Poppet (for relief valve unit only) 1
38 113186-001 Spring (for relief valve unit only) 1
39 9072-006 Plug Sub-Assembly 1
X 250003-905 O-ring
X 40 9080-001 Seal, Shaft Face 1