EATON
HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015
28
EATON
HP-30 MOTOR SERVICE MANUAL E-MOGG-RR001-E June 2015
29
Reassembly
(Single and Two Speed Standard and Wheel Motor)
9.1
Outer balance ring assembly
9.1.1 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.
9.1.2 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.
9.1.3 Grease dowel pin and install in valve housing.
9.1.4 Install 10 balance ring springs in valve housing.
9.1.5 Install inner and outer balance ring sub-assemblies
into valve housing. Ensure O-rings seals are seated.
9.1.6 Install greased O-ring section seal (139,4 [5.49] ID) in
valve housing O-ring groove.
Figure 10A
(Single Speed standard
and Wheel 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)
O-ring (Section Seal)
Ring, Back-up
Plate, Valve
Bearing, Housing
