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PAGE 34 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)
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.
2. Remove the three bolts and lock washers that secure the
blade to the trowel arm. Remove the blade.
3. Using a wire brush, scrape all concrete particles and foreign
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.
MAINTENANCE
NOTE
Before removing the blades,
please note the orientation of the
blade on the trowel arm.
V-Belt Removal and Replacement
1. Remove the two T-Bolts and lock-washers that hold on the
belt guard and remove the belt guard.
2. Work the belt up and over the bottom pulley and remove the
belt.
3. Replace with the appropriate belt:
HDA 11HP HONDA: P/N 0261, A31 GATES HPII (2 each)
HDA 13HP HONDA: P/N 11537, HOFFCO-COMET
4. Place the belt in the upper pulley groove then work the belt
over the bottom pulley into place.
NOTE
The V-Belt will tension itself automati-
cally during operation. NO
FURTHER ADJUSTMENT OR
TENSIONING IS NECESSARY.
6. Replace the belt guard, lock-washers, and secure with the T-
Bolts.
NEVER operate equipment with covers, or
guards removed. Keep fingers,
hands
,
hair
and
clothing
away from all moving parts to
prevent injury.
WARNING
Engine
Follow the maintenance procedures outlined in the engine
owner's manual.
Engine Oil Change
Drain the used oil while the engine is warm by the following:
1. Place an oil pan or suitable container below the engine drain
plug to catch the used oil.
2. Remove the filler cap/dipstick and the drain plug.
3. Drain the oil completely and reinstall the drain plug. Ensure
the drain plug is tightened securely.
4. With the engine in a level position, fill to the outer edge of the
oil filler hole with the recommended oil.
5. Screw in the filler cap/dipstick securely.
Dispose of used oil properly. DO NOT pour used oil on the
ground, down a drain, or throw in the trash. Used oil can generally
be taken to your local recycling center or service station for
reclamation.