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A-Boom (JD 6615 / 7615 Asy Instruction Manual) 07/03
© 2003 Alamo Group Inc.
Section 2 - 2
Rear Wheel Counter Weight
Item Part No. Qty Description
1 02979603 3 Hex Head Bolt, 7/8" NC X 16"
2 02971569 3 Wheel Weight Washer, Special
3 02970758 1 Wheel Weight Casting, 1400 lbs.
4 5JRC1490 3 Locknut, Top Lock 7/8" NC
Note: some Older Units used a All Thread Rod with Hex Nuts Lock Nuts, with Flat Washer
and Lock washer. This was replaced with the Bolt Type shown above. These Bolt and Nut
combinations will replace the old All Thread type.
1
2
3
4
Rotate Washer to Match Bolt
Circle dia. and Washer fits into
Wheel Weight Slot.
Bolt is shown extra long in
drawing for illustration only
Figure 1
Fill Left Rear Wheel with Liquid:
The Left Rear Wheel must be filled with liguid. Alamo Industrial recommends a Calcium Cloride
Water Mixture. The recommended Ratio of a 30 / 70 mix (30% Calcium Cloride and 70% Water), this
mixture will add weight at about 10.5 lbs per gallon. Follow the Mixture procedures furnished by the
Manufactured of the Brand of Calcium Cloride that you are useing. It is also recommended that a trained
person installs the calcium Cloride. Calcium Cloride must be added in addition to the Steel Wheel
Wieght and the Counter Weight that hangs on the Left Side. It is Not recommended to use straight
Water in the Wheel as this would not provide protection against freezing. A 30/70 Calcium Cloride
Water mixture provides anti-freeze to approx -50 deg. F. below 0.