Komatsu PC450-8 Operation & Maintenance Manual page 388

ATTACHMENT GUIDE
SELECTION OF TRACK SHOES
Select suitable track shoes to match the operating conditions.
METHOD OF SELECTING SHOES
Confirm the category from the list of uses in Table 1, then use Table 2 to select the shoe.
Categories B and C are wide shoes, so there are limitations on their use. When using these shoes, check the pre-
cautions, then investigate and study fully the conditions of use to confirm that these shoes are suitable.
When selecting the shoe width, select the narrowest shoe possible that will give the required flotation and ground
pressure. If a wider shoe than necessary is used, the load on the track will increase, and this will cause the shoes
to bend, links to crack, pins to break, shoe bolts to come loose, and various other problems.
Table 1
Category Use
Rocky ground, river-
A beds,
normal soil
Normal soil, soft
B
ground
Extremely soft ground
C
(swampy ground)
D Paved road
E Paved road
Table 2
Types of track shoe
Option
Option
Option
6-28
On rough ground with large obstacles such as boulders or fallen trees, travel
at low speed.
These shoes cannot be used on rough ground where there are large obsta-
cles such as boulders or fallen trees.
Travel at Hi or Mi speed only on flat ground, and if it is impossible to avoid
going over obstacles, shift down and travel at half speed in Lo.
Use the shoes only in places where the machine sinks and it is impossible to
use A or B shoes.
These shoes cannot be used on rough ground where there are large obsta-
cles such as boulders or fallen trees.
Travel at Hi or Mi speed only on flat ground, and if it is impossible to avoid
going over obstacles, shift down and travel at half speed in Lo.
Take note of low gradeability due to the flat shoes and exercise a due care.
Be sure to follow the instructions set forth in the "Handling of Road Liner"
section for the protection of the rubber pad shoes.
PC450, 450LC-8
Specifications
600 mm Triple
700 mm Triple
800 mm Triple
ATTACHMENTS ANDD OPTIONS
Precautions when using
Category
A
B
C
6