ZF Repair Manual: ZF63A, ZF63, ZF80A, ZF80-1A

1. INPUT SHAFT

1.1 Mount discs into reversing clutch

NOTE

For exact quantity of inner (item 2, Fig. 1-1a) and

outer discs (item 1, Fig. 1-1a), please refer to the

spare parts list at the end of this manual.

Stagger the position of the notches on the outer

discs as shown in Fig. 1-1b.

Starting with one of the outer discs, bild up the clutch.

The lugs on the outer discs have to be positioned in line

with each other as shown in Fig. 1-1b.

FIG. 1-1a

Place end disc (item 1 Fig. 1-1c) and snap ring engaging

it into clutch housing groove.

Repeat same procedure on opposite side of clutch

(Fig. 1-1d).

FIG. 1-1b

FIG. 1-1c

FIG. 1-d

Repair Manual and Spare Parts List

Section 4: Assembly

ASSEMBLY

INTRODUCTION

A well-lighted work area that is free from dirt and chips,

will facilitate the work considerably.

ZF HURTH MARINE recommends to use a swiveling

stand, described in the disassembly section to aid in

the assembly.

Thoroughly clean all mating surfaces from any Loctite

or gasket material.

WARNING

Cleaners and solvents can be toxic and potentially

harmful without proper ventilation.

Use caution when using such cleaners.

Always wear protective gloves and glasses!

The next assembly procedure requires the following:

An electric oven or heating lamp for heating the

housing halves will be required when mounting

the bearings.

A hydraulic or mechanical press