Predator Engines 173cc Owner's Manual & Safety Instructions page 9

Installation
1. IMPORTANT: If you have any doubts about your
ability to perform the following procedures, have a
qualified service technician perform the installation.
2. Install this engine on a lawn mower only.
Do not use to power a vehicle.
3. Mounting hole locations:
b
a. one 3/8 in. x 24 threaded; 1 in. deep
b. two Ø0.34 in. / 8.7mm unthreaded
(use 5/16 in. / 8mm diameter hardware)
4. Set the Engine upright on the mower,
and align at least three engine mounting
holes with mower mounting holes.
NOTE: Depending on the mower, it may be necessary
to drill mounting holes or make a mounting plate
to align with the engine mounting holes. Only a
qualified technician should attempt these solutions.
5. Use hardened, stainless steel Bolts, Lock Washers,
and Washers (not included) of appropriate length
and diameter to secure the Engine to the mower.
Make sure the hardware will not contact
moving parts during operation.
69731
a
b
For technical questions, please call 1-888-866-5797.
6. Insert the mower's brake cable sheath through the
hole in the Brake bracket. Secure the mower brake
cable to the brake arm. Adjust the brake cable
sheath to remove all slack and secure it in place
using the adjusting nuts on the cable sheath, as
shown in the illustration below.
THE ENGINE BRAKE IS FOR EMERGENCY
SHUTOFF; DO NOT REPLACE THE BRAKE
SPRING WITH A WEAKER SPRING.
If operating the engine brake is too
difficult, a qualified technician must install
a different brake handle on the mower.
Note: The brake cable on some mowers may
need to be adjusted in a different manner. Install
according to mower manufacturer's instructions.
Throttle
Control
Throttle
Cable
Bracket
and
Bolt
7. Attach the end of the mower's Throttle Cable to
the Throttle Control. Use the Bracket and Bolt
to secure its sheath in place as shown above.
8. Refer to the mower's service manual for instructions
on how to properly attach a belt drive pulley, chain
drive gear, etc. onto the output shaft of the Engine.
Brake
Arm
Brake
Cable
Brake
Cable
Bracket
Page 9