Modifying the Briggs and Stratton
Tailpipe:
1. Make sure all moving parts have stopped, the parking
brake is engaged, and the key has been removed.
Allow unit to cool before starting these instructions.
WARNING
The engine can become very hot. Touching a
hot engine can cause severe burns.
Allow the engine to cool completely before
service or making repairs around the engine
area.
2. Prior to installing the UltraVac, cut the tailpipe back
4 1/4 inches (10.8 cm) as shown in Figure 3.
Figure 3
1.
4 1/4 inches (10.8 cm)
Installing the Collection System
For Lazer Z Units Serial Number
510,000–789,999:
Note:
Reference Figure 1 and Figure 2 for the item
numbers called out in the installation instructions.
1. Temporarily remove the ROPS to allow for
installation of the UltraVac. Retain the hardware for
reuse.
2. When installing the UltraVac onto a liquid-cooled
Lazer Z, the rear bumper plate must be removed.
Remove rear bumper plate. Reattach the lower side
bumper bars to the vertical “HOT” engine guard
shield using two of the original screws, washers and
whizlock nuts removed from the bumper plate.
3. Remove the lower two screws holding the clutch
guard plate (“HOT” engine guard on liquid-cooled
units) to the rear frame of the Lazer Z unit.
4. Install the mount weldment (item 9) loosely to the
rear of the machine using the two bolts and nuts
removed in step 1.
5. Install the frame brackets (item 16) and spacers
(item 17) loosely to the mount weldment (item 9) as
shown. Secure using two 3/8-16 x 1 1/4 inch screws
(item 23), two 3/8 spring disc washers (item 25) and
two 3/8-16 inch whizlock nuts (item 24). Make sure
that the raised portion of the spring disc washer
faces the head of the screw (see Figure 4).
Figure 4
6. Install the frame brackets (item 16), and ROPS lower
roll bar tubes loosely to the mounting pads on both
sides of the Lazer frame. Use the ROPS mounting
hardware, eight 3/8-16 x 1 1/2 inch screws, eight 3/8
spring disc washers and eight 3/8-16 inch whizlock
nuts. Make sure that the raised portion of the spring
disc washer faces the head of the screw (see Figure 5).
Figure 5
1.
3/8-16 x 1 1/2 inch
capscrews
3.
3/8-16 inch whizlock nuts
2.
Spring disc washers
6
