Service Manual

HYDRO-GEAR TRANSAXLE

4 - 2 TimeCutter

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Z Service Manual

Hydro-Gear (310-2200) EZT™

Transaxles

Internal Service

Internal service information is contained in the Hydro-

Gear Transaxle Service Manual, Form # 492-4778.

Note: Under warranty, the transaxles should NOT

disassembled or internally repaired, unless authorized

by either your Distributor Service Manager or The Toro

Company.

Fluid Change

The Hydro-Gear transaxles do not require periodic oil

changes under normal conditions. In the event of oil

contamination or degradation, oil replacement may

correct certain performance problems.

Using the “Transaxle Removal” procedure”, remove the

transaxle, and drain the oil through the fluid fill port. Fill

unit to the proper level; refer to “General

Specifications” on page 2 - 2. Reinstall transaxles and

perform “Purging Procedures – Hydro-Gear

Transaxles” on page 4 - 8.

Transaxle Removal

The right and left transaxles are secured to a hydro

mount frame. The hydro mount frame is fastened to the

main frame. If either one of the transaxles need to be

removed from the unit, the whole hydro mount frame

must be removed with both transaxles on it.

1. Disconnect the negative battery cable from the

battery.

2. Raise the rear end of the unit and remove the right

and left rear tires (Figure 29).

Figure 29

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3. Install jack stands in front of the transaxles (Figure

30).

Figure 30

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4. Remove the hydrostatic transaxle drive belts, refer

to “Belt Replacement” on page 3 - 7.