Exmark Lawn Tractor Operator's Manual page 19

POTENTIAL HAZARD
♦ Raising the rear of the unit for assembly relying solely
on mechanical or hydraulic jacks could be dangerous.
WHAT CAN HAPPEN
♦ The mechanical or hydraulic jacks may not be enough
support or may malfunction allowing the unit to fall,
which could cause injury.
HOW TO AVOID THE HAZARD
♦ DO NOT rely solely on mechanical or hydraulic jacks
for support. Use adequate jack stands or equivalent
support.
3.2.3 Remove the wheel nuts from both sides of the unit and retain for later use.
3.2.4 Install the two lower roll bar tubes.
a) Locate the left and right lower roll bar tubes.
b) Align lower roll bar tubes along the rear engine frame as shown in Figure 2.
c) LOOSELY install the lower roll bar hardware (four 3/8-16 x 1 capscrews,
four spring disk washers and four 3/8-16 whizlock nuts) from the bolt bag to
the tubes on each side as shown in Figure 2.
NOTE: Be sure the spring disk washer cone is installed towards the head of
the capscrew.
CAUTION
FIGURE 2
LOWER ROLL BAR INSTALLATION
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