Service Manual

26 ZT-2800
®
/ZT-3100™/ZT-3400™
RefertoFigure20
Disassembly
1. Remove external items beginning on page
14.
2. Remove washer (80) and reduction gear
set (81-82) as an assembly and set aside.
Remove second washer (80) and jack shaft
pin (83).
3. Remove the washer (70), retaining ring (71),
pinion gear (72) and washer (74) from the
motor shaft (73).
4. Remove the bull gear (91) and spacer
(109).
NOTE: Thespacer(109)isnotusedin 
 ZT-3400applications.
Inspection
1. Inspect the bull gear (91) – teeth and internal
splines, for wear or damage.
2. Separate the reduction gears and inspect
the gears and jack shaft pin for excessive
wear or damage. Replace if necessary.
BULL, PINION AND REDUCTION GEARS
Assembly
1. Install the washer (74), pinion gear (72),
and secure their placement with retaining
ring (71) onto the motor shaft (73).
2. Install the washer (70) onto the motor shaft
(73).
3. Install the spacer (109) and the bull gear
(91) onto the axle (94).
NOTE: Thespacer(109)isnotusedin 
 ZT-3400applications.
4. Install the jack shaft pin (83), washer (80),
reduction gears (82) and (81).
5. Install washer (80) to jack shaft pin (83).
Figure 20, Bull, Reduction and Pinion Gear
80
83
82
81
80
71
72
74
91
70
Motor Shaft (73)
94
109