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© 2006 Alamo Group Inc.
Section 5 - 2
Axtreme Boom (Asy. Man.) 07/06
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
Fill Left Rear Wheel with Liquid:
The Left Rear Wheel must be filled with liquid. Alamo Industrial recommends a Calcium
Chloride Water Mixture. The recommended Ratio of a 30 / 70 mix (30% Calcium Chloride 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 Chloride that you are using. It is also
recommended that a trained person installs the calcium Chloride. Calcium Chloride must be added
in addition to the Steel Wheel Weight 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 Chloride Water mixture provides antifreeze to approx -50 deg. F. below 0.
Figure 1