13. Undercarriage; Chapter Overview; Personal Safety; Machine Preparation - Terex PT-100G Forestry Service Manual

Chapter Overview

This chapter provides removal and installation
procedures for the undercarriages.
Note: For track removal and installation procedures, refer to
pages 4-6 through 4-9 of this manual.
Note: For drive sprocket removal and roller inspection and
replacement, refer to page 4-5 of this manual.

Personal Safety

Improper or incomplete maintenance/repair of a Compact
Track Loader can be dangerous and may result in machine
damage, injury or death.
Do not attempt to perform any type of repair or maintenance
on a Compact Track Loader until you have read and fully
understood the information in this manual. Refer to the
Operation and Maintenance manual for instructions
regarding proper machine operation techniques before
operating any Compact Track Loader.
Prior to performing any type of service work on a Compact
Track Loader, read and understand Chapter 1 (Product
Safety) for personal safety information.

Machine Preparation

Accidental machine starting can cause injury or death to
personnel working on a Compact Track Loader.
As a precaution, disconnect the battery cables from the
battery terminals, tape the battery clamps and remove the
key from the ignition switch prior to performing any service
work on a Compact Track Loader.
Place a "Do Not Operate" tag prominently on the machine to
inform personnel that the machine is being worked on.
Removal and Installation
Removal and installation procedures are provided for
the following undercarriage components.
Idler Wheels (Removal and installation)
Bogie Wheels (Removal and installation)
•
Hub Assembly Service Procedures
•
•
Note: Procedures are provided for only those components
listed above. However, exploded parts diagrams exist in the
PT-100G parts manuals to serve as visual aids in the
removal and installation of other system components.

15" Idler Wheel

Removal
Note: The 15" idler and 10" bogie wheels may be
removed from the PT-100G undercarriages without
removing the tracks.
Required Tools
Socket/impact wrench
Heavy duty hydraulic jack
Combination wrench
Terex approved jack stands (2)
Shop vac or Pressure washer
1. Raise and support the machine by following the
jacking procedure on page 4-2.
2. Follow the track removal procedure from page 4-6,
steps 1-7 for 15" front idler wheel removal.
3. Repeat step 7 of the track removal procedure as
necessary to remove the 15" idler wheels throughout
the undercarriage.
Installation
1. To install the 15" idler wheels, reverse the removal
procedure. Torque the wheel mounting bolts
upon installation to 105 +/- 10 Lb. Ft / 142 Nm.
13-1

13. Undercarriage