Multiquip HPLA46411H, HPHA46411H manual Testing, Changing a Blade, Belt Removal and Replacement

HPLA/HPHA-SERIES 46"TROWEL — MAINTENANCE (TROWEL)

11.Carefully lift the upper trowel assembly, line up the key- way on gear box main shaft and insert into spider assembly.

12.Reinstall square head cone point into spider plate and tighten in place.Tighten jam nut. Use care in making sure point of set screw engages groove in gear box main shaft.

13.Lubricate all grease points (zerk fittings) with premium "Lithum 12" based grease, conforming to NLG1 Grade #2 consistency.

Testing

1.Place trowel in test area, start engine and test trowel for smoothness.

2.If trowel bounces has excessive vibration or does not run smoothly repeat alignment procedure.

Changing a Blade

Whiteman recommends that all the blades be changed at the same time.The machine may wobble or bounce if only some of the blades are changed at one time.

1.Place the machine on a flat, level surface. Adjust the blade pitch control to make the blades as flat as possible. Note the blade orientation on the trowel arm.

V-Belt Removal and Replacement

1.Remove the two T-Bolts and lockwashers hold on the belt guard.

2.Remove the belt guard.

3.Work the belt up and over the bottom pulley and remove the belt.

4.Replace with the appropriate belt: HPLA46411H: p/n 0261, A31 Gates HPII HPHA46411H: p/n 152 3, A28 Gates HPII

5.Place the belt in the upper pulley groove then work the belt over the bottom pulley into place.

The V-Belt will tension itself automatcally during operation.

NOTENO FURTHER ADJUSTMENT OR TENSIONING IS NECES- SARY.

6.Replace the belt guard, lockwashers, and secure with theT- Bolts.

Before removing the blades,

NOTE please note the orientation of the blade on the trowel arm.

WARNING!

NEVER operate equipment with covers, or guards removed. Keep fingers, hands, hair and clothing away from all moving parts to prevent injury.

2.Remove the three bolts and lock washers that secure the blade to the trowel arm. Remove the blade.

3.Usingawirebrush,scrapeallconcreteparticles andforeign debris from the trowel arm.

4.Install the new trowel blade onto the trowel arm. Make sure blade is installed correctly, maintaining the proper orienta- tion for direction of rotation.

5.Reinstall the three bolts and lock washers that secure the blade to the trowel arm.Tighten all three bolts securely.

6.Repeat steps 1- 5 for all remaining blades.

PAGE 36 — HPLA/HPHA-SERIES 46" WALK-BEHINDTROWEL— OPERATION AND PARTS MANUAL — REV. #6 (07/06/10)