Multiquip HHNG5 - Manual (Page 34)

page 34 — HHNg5 RIDe-ON TROWeL • OpeRaTION maNuaL — Rev. #0 (07/16/13)
TROWeL BLaDe RemOvaL
Remove the trowel blades by removing the three hex head
bolts (Figure 34) from the trowel arm. Set blades aside.
Figure 34. Trowel Blade Removal
TROWeL aRm RemOvaL
1. Remove the hardware securing the stabilizer ring to
the trowel arm. (Figure 35)
Figure 35. Stabilizer Ring
(Stabilizer Ring)
2. Each trowel arm is held in place at the spider plate
(Figure 36) 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.
TROWEL
ARM
TROWEL
BLADE
HEX HEAD
BOLT
LOCK
WASHER
NUT
NUT
TROWEL
ARM
STABILIZER
RING
ROD END
BOLT
FLAT
WASHER
MAIntEnAncE
3. Remove the trowel arm from the spider plate.
Figure 36. Remove Roll Pin and Zerk Fitting
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 37),
and clean if necessary. Replace bushing if out-of-round
or worn.
Figure 37. Bronze Bushings
6. Wire brush any build-up of concrete from all six sides
of the trowel arm. Repeat this for the remaining arms.
CHeCkINg TROWeL aRm STRaIgHTNeSS
Trowel arms can be damaged by rough handling, (such as
dropping the trowel on the pad), or by striking exposed
plumbing, forms, or rebar while in operation. A bent trowel
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