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RE 540/541 Motor Section Disassembly

RE 540/541 Direct Drive Option Disassembly

Uses items 36-40

Remove six bolts (36) from end cap (37).
a) Lift end cap (37) off wheel flange (16).
b) Peel or scrape paper gasket (38) off of end cap and/or wheel flange (16).
c) If grease is between end cap (37) and driver (39), remove grease.
d) Screw a 1/4-20 bolt (NOT INCLUDED) into one of the two threaded holes in the driver (39) and lift the driver

out of the wheel flange (16).

e) If grease is between driver (39) and housing pilot (25), remove grease.
f) If spacer (40) did not come out with driver (39), remove it at this time and lay aside.

RE 540/541 Locking Hub Option Disassembly

USES ITEMS 41-44

Remove six screws (41) from locking hub (42).
a) Lift locking hub (42) off of wheel flange (16).
b) Remove wire ring (43).
c) Install two screws (41) in opposite holes in the locking hub splined assembly (44) and use to lift locking hub

spline assembly (44) out of wheel flange (16).

d) If grease is between locking hub spline assembly (44) and housing (25) pilot, remove grease.
e) Lay parts aside.

Note:

The two bearings (17) are Loc-Tited to bearing hub (20), wheel flange (16) and housing pilot (25). The four

capscrews (15) are also Loc-Tited. It is not necessary to remove these components to install this seal kit in the
motor. Unless the bearings are damaged, it is not recommend to disassemble of these components. If damage has
occurred to the bearings, it is recommended to return the unit to the factory for service, however dust seal (45) is
included in this kit in the event the bearing hub is disassembled despite the recommendation listed above.

RE 540/541 Motor Section General Disassembly

Same Instructions For Both Designs & Drive Options

To aid in reassembly of motor, make a "V" shaped set of lines from the endcover (33) to the housing (25) using
either paint or a marker.
a) With shaft end facing down, secure motor in vise by clamping on to the housing (25).
b) Loosen and remove seven bolts (35) holding motor assembly together.
c) Remove end cover (33) and endcover seal (10).
d) Discard seal.

Remove balance plate (31) taking care not to drop the three steel balls (32) located in the three holes in the
balance plate (31).
a) Remove rotor assembly (30), manifold (28), drive link spacer (29), drive link (27) and thrust bearing (21).

Note:

Some motors do not use spacer.

b) Remove body seals (9) from rotor assembly (30) and housing seal (8) from housing (25) and discard seals.
c) Remove shaft (26) up through the housing.

Orbital Motors | RE 540/541 Series Service Instructions |