Trimax Snake User Manual

1
SPARE PARTS
INSTRUCTIONS #79
Date Created: 14/08/2020
Product: Snake
Title: Wheel Bearing Replacement 416-860-460
SAFETY! Before attempting to make any adjustments or carry out maintenance on the mower, review
the hazard identification table (section 3a of your Operator Manual) and take all necessary precautions.
The following process shows how to
replace the wheel bearing on a Snake
mower.
Position mower on flat even ground.
Note:
It is recommended to have wings
down but is not essential.
Loosen Wheel Nuts while the mower
is on the ground.
Note:
The mower decks have been removed
from images for clarity.

Trimax Snake Specifications

General

Brand	Trimax
Model	Snake
Category	Farm Equipment
Language	English

Summary

Wheel Bearing Replacement Guide

General Safety Precautions

Review hazard identification table and take necessary precautions before maintenance.

Prepare Mower Location

Position mower on flat ground; wings are optional but recommended down.

Lift Mower and Remove Wheel

Raise mower using jack/crane, secure, remove wheel nuts and wheel from hub.

Remove Bearing Buddy or Grease Cap

Remove the Bearing Buddy or grease cap from the wheel hub.

Disassemble Axle Fasteners

Remove the split pin, castle nut, and washer from the axle.

Remove Hub Assembly

Slide the complete hub assembly off the axle.

Note on Component Replacement

Guidance on skipping steps when replacing the entire hub versus just bearings.

Replace Bearing Race

Remove old bearing race and press in new race using appropriate tooling.

Bearing Race Installation Accuracy

Critical warning: ensure bearing race is pressed square into the hub.

Grease Bearings Thoroughly

Grease bearings using tool or by hand, ensuring complete coverage of rollers.

Install and Grease Bearings and Seal

Grease races, install large bearing, then install and grease the seal.

Seal Installation Squareness

Important: Ensure the seal insert is fitted squarely into the hub.

Prepare Axle and Mount Hub Assembly

Fit washer and seal onto axle, then slide hub assembly onto axle.

Install and Torque Castle Nut

Fit castle nut, torque to 68Nm, back off, then retorque to 14Nm.

Castle Nut Torque and Adjustment Warnings

Avoid impact guns; ensure correct torque and final castle nut adjustment.

Secure Axle with Split Pin

Insert and bend split pin to secure castle nut; trim if necessary.

Install Bearing Buddy

Fit bearing buddy, ensuring it is fully seated and pre-filled with grease.

Mount and Secure Wheel

Fit the wheel, loosely tighten nuts in a pattern, then lower the mower.

Lower Mower and Remove Jack

Safely lower the mower and remove any support blocks or jacks.

Final Wheel Nut Torque

Torque wheel nuts to the specified 110Nm following the tightening pattern.