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Assembly Section 2-20
ASSEMBLY
WHEEL WEIGHT MOUNTING
For all machines using a boom mower, a wheel weight will be required for the left
side wheel. It will be necessary to mount the 500 pound wheel weight in the wheel
using the long cap-screws, lock-washers, flat-washers, and hex nuts per diagram in
the parts section.
Installation is most easily done with a small fork lift, inserting a fork in the center
slot of the wheel weight. The head of the cap-screws is to be toward the OUTSIDE of
the weight, with flat-washers on both inside and outside of the assembly.
The left rear tire must also be filled with a mixture of water and calcium chloride at
about five pound per gallon. Tire air pressure should be maintained at approximately
22 P.S.I.
INSTALLING O-RING FITTINGS
Installing straight, 45 degree and 90 degree O-ring fittings requires that the O-ring,
washer and nut (A) be up against the swivel body (B). Insert the swivel and turn in until
the swivel is pointed in the right direction and O-ring contact is made. Hold swivel in set
direction with a wrench and turn the O-ring nut away from the swivel body and carefully
tighten.
INSTALLING NATIONAL PIPE FITTINGS
Whenever installing a pipe fitting, wrap the threads clockwise (looking at the end) with
teflon tape. In this way, the tape will be tightened when installed. NOTE: It is not
necessary to tape O-ring fittings, or those installed in swivels.
ACCUMULATOR INSTALLATION / PLUMBING
Install the accumulator bracket on tab with holes provided on the right main frame
with the capscrews and lockwashers shown. Install the accumulator in the bracket and
secure with the hardware shown. Install fittings and hoses to the cylinder and control
valve as shown in the parts section. Use teflon tape on all pipe fittings (except O-
rings).