Service Manual

Toro®- Z Master® 8000 Series Service Manual5-10

September 2016

Table of Contents

HYDRAULIC DRIVE SYSTEM

Drive Belt Tensioner/Idler Service

Removal

1. Replace if wear or damage is evident.

NOTE: The drive system belt does not need to be

completely removed to service the idler

and tensioner. Simply remove the drive belt

tensioner spring, slip the belt off the idler,

tensioner and pump pulleys to service the

tensioner/idler.

2. Remove the bolt and nut that secure the fixed idler

and spacer (Figure 66) (A) to the frame. Remove

the idler assembly and spacer from the unit.

3. Remove the nut and bolt (B) that secure the belt

tensioner assembly (C) to the frame. Remove the

tensioner assembly from the unit.

4. Inspect bearings for excessive wear, noise or play,

replace if necessary as shown in this chapter.

Installation

1. Install the tensioner assembly (C) onto the frame

and torque the mounting fastener to 30 ft-lbs (40

Nm).

2. Install the spacer and fixed idler (A) onto the frame,

then torque the mounting fastener to 30 ft-lbs (40

Nm).

3. Install the drive belt as shown in this chapter.

4. Install the air cleaner assembly.

5. Connect the battery cables.

6. Verify proper operation of drive system

Figure 66