Deck belt and pto belt tensioner, Cub cadet commercial z-wing – Cub Cadet Z-Wing User Manual
Page 11
Cub Cadet Commercial Z-Wing
7
6.
DECK BELT AND PTO BELT TENSIONER
6.1.
The deck belt tensioner idler arm can be
removed using a 1” wrench on the bolt head
above the deck and an 11/16” wrench to remove
the nut, lock washer, and flat washer from
beneath the deck. See Figure 6.1.
6.2.
The bolt is rifle-drilled to provide for grease
access to the bushing in the idler arm. The bush-
ings are replaceable. See Figure 6.2.
6.3.
A heavy flat washer between the shoulder of the
bolt and the deck weldment distributes the
mounting load.
6.4.
The torsion spring is mounted to a carriage bolt
using a nut and jam nut that can be easily
removed using a 9/16” wrench.
Figure 6.1
Torsion spring
Heavy flat washer
Shoulder bolt (drilled)
Deck belt
tensioner arm
Figure 6.2
Bushing
Hole for breaker bar
Hole for torsion spring
6.5.
The pulley is mounted to the idler arm using a
carriage bolt. It can be easily removed using a 9/
16” wrench.
6.6.
Installation notes:
•
Apply a small amount of thread locking com-
pound such as Loctite 262 (red) to the torsion
spring retaining nut, or replace the nut if the lock-
ing feature of the nut is in question. Snug the nut
against the spring.
•
Apply a small amount of thread locking com-
pound such as Loctite 242 (blue), or replace the
nuts if the locking feature of the nuts are in ques-
tion. Tighten the pulley mounting nut to a torque
of 20-25 ft-lbs (27-34 Nm).
•
Apply a small amount of thread locking com-
pound such as Loctite 242 (blue), or replace the
nut if the locking feature of the nut is in question.
Tighten the idler arm bolt to a torque of 30-35 ft-
lbs (41-48 Nm).
•
Lubricate the idler arm bushings with #2 multi-
purpose lithium base grease.
6.7.
The PTO belt tensioner is a simple idler arm with
an extension spring between the arm and the
deck weldment.
6.8.
The spring may be detached without removing
the arm using a length of starter rope or a spring
removal tool. See Figure 6.8.
6.9.
The PTO idler arm can be removed from the
deck using two 9/16” wrenches.
Figure 6.8
Label
“48”