Service Manual

4-16 Z Master Z597 Diesel Service Manual

7. Remove the hydraulic fan pump from the unit (Fig.

171).

Fig 171 DSC-2368

Fig 172 DSC-2367

Note: Prior to connecting the hydraulic lines,

replace the O-rings with new ones and lightly

lubricate with petroleum jelly.

1. Install the hydraulic fan pump with four bolts and

nuts to the fan pump mounting plate (Fig. 172).

HYDRAULIC SYSTEM

Hydraulic Fan Pump Installation

Fig 173 DSC-2366

2. Install the three hydraulic lines to the hydraulic fan

pump and tighten (Fig. 173).

3. Install the square key in the hydraulic fan pump

shaft. Install the fan pump pulley on the shaft.

Before installing the set screws into the pulley, install

a thread locking compound on the set screws and

tighten (Fig. 174).

Note: Always use new set screws when installing

the pump drive pulley.

Fig 174 DSC-2361