Multiquip EHTX44Y5 - Manual (Page 36)

page 36 — eHTx44y RIDe-ON TROWeL • OpeRaTION maNuaL — Rev. #0 (01/16/13)
Maintenance
2. Remove spider to hydraulic motor retainingscrew.
3. Carefully lift the upper trowel assembly off of the spider
assembly. A slight tap with a rubber mallet may be
necessary to dislodge the spider from the main shaft
of the hydraulic motor.
4. For reassembly apply Blue Loctite #242 to the spider
retaining screw and torque to 130 ft.-lbs. (176 N.m)
Trowel arm Removal
1. Remove the hardware securing the stabilizer ring to
the trowel arm (Figure 37).
Figure 37. Trowel Arm Removal
(Stabilizer Ring)
2. Each trowel arm (Figure 38 )is held in place at the
spider plate by a hex head bolt (zerk grease fitting)
and a roll pin. Remove both the hex head bolt and the
roll pin from the spider plate.
3. Remove the trowel arm from the spider plate.
NUT
NUT
TROWEL
ARM
STABILIZER
RING
ROD END
BOLT
FLAT
WASHER
Figure 38. Trowel Arm Removal
(Spider Plate)
4. Should the trowel arm inserts (bronze bushing) come
out with the trowel arm, remove the bushing from the
trowel arm and set aside in a safe place. If the bushing
is retained inside the spider plate, carefully remove
the bushing.
5. Examine the bronze trowel arm bushings (Figure 39),
and clean if necessary. Replace bushing if out-of-
round or worn.
Figure 39. Bronze Bushings
6. Wire brush any build-up of concrete from all six sides
of the trowel arm. Repeat this for the remaining arms.
TROWEL ARM
SPIDER
PLATE
2-PIECE
BRONZE
BUSHING
RETAINING SCREW
(GREASE FITTING)
ROLL PIN
ARM
LEVER
LOCK
WASHER
HEX HD.SCREW
HEX JAM NUT
ARM
RETURN
SPRING
2-PIECE
BRONZE
BUSHINGS