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Maintenance, Reassembly – Multiquip HHNG5 User Manual

Page 36

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page 36 — HHNg5 RIDe-ON TROWeL • OpeRaTION maNuaL — Rev. #0 (07/16/13)

3. Unscrew the locking bolts on the adjustment tool and

place the trowel arm into the fixture channel as shown

in Figure 42. A thin shim may be required to cover the

blade holes on the trowel arm. Make sure to align the

trowel adjustment bolt with the fixture adjustment bolt.

Figure 42. Trowel Arm Adjustment Fixture

Components

4. Use an allen wrench to tighten the locking bolts

securing the trowel arm in place.

5. Adjust the bolt “distance” shown in Figure 42 to match

one of the arms. The other arms will be adjusted to

match this distance.

6. Loosen the locking nut on the trowel arm lever, then

turn the trowel arm adjusting bolt until it barely touches

(.010") the fixture adjusting bolt.

7. Once the correct adjustment is made, tighten the lock

nut on the trowel arm to lock in place.

8. Loosen locking nuts on the adjustment fixture, and

remove trowel arm.

9. Repeat steps for the remaining trowel arms.

ARM

TROWEL

ARM

LEVER

ADJUSTMENT

BOLT

ADJUSTMENT

BOLT

FIXTURE

ARM

DISTANCE =

.010 in.

TROWEL ARM

ADJUSTMENT

FIXTURE

LOCKING

BOLTS

SHIM

MAIntEnAncE

ReaSSemBLy

1. Clean and examine the upper/lower wear plates and

thrust collar. Examine the entire spider assembly. Wire

brush any concrete or rust build-up. If any of the spider

components are found to be damaged or out of round,

replace them.

2. Make sure that the bronze trowel arm bushing is not

damage or out of round. Clean the bushing if necessary.

If the bronze bushing is damaged or worn, replace it.

3. Reinstall bronze bushing onto trowel arm.
4. Repeat steps 2–3 for each trowel arm.
5. Make sure that the spring tensioner is in the correct

position to exert tension on the trowel arm.

6. Insert all trowel arms with levers into spider plate (with

bronze bushing already installed) using care to align

grease hole on bronze bushing with grease hole fitting

on spider plate.

7. Lock trowel arms in place by tightening the hex head

bolt with zerk grease fitting and jam nut.

8. Re-install the blades onto the trowel arms.
9. Install stabilizer ring onto spider assembly.
10. Lubricate all grease points (zerk fittings) with premium

“Lithum 12” based grease, conforming to NLG1 Grade

#2 consistency.