
Reference
Only
Manitowoc
Published 12-05-17, Control # 035-23
8-3
18000 SERIVCE/MAINTENANCE MANUAL
UNDER CARRIAGE
8
CRAWLER ADJUSTMENT
Maintenance
Crawler wear cannot be eliminated, but the rate of wear can
be reduced through regular preventive maintenance, as
follows:
•
Lubricate crawlers as instructed in Lubrication Guide.
•
Keep crawlers clean and avoid dirt build-up when
cutting.
•
Keep all mounting bolts tight (see Parts Manual for
applicable torque values).
•
Keep treads properly adjusted.
•
Inspect crawler gear cases, crawler frames, rollers, and
treads on a regular basis.
Look for oil leaks, excessive wear, cracks, and other
damage. Broken or cracked parts can indicate that the
treads are adjusted too tight.
Repair or replace damaged parts immediately to prevent
further damage.
Tread Slack Adjustment
Adjustment Guideline
Check tread slack at the tumbler end of each crawler.
Maintain equal tread slack at both crawlers.
1.
Travel forward or reverse on a firm level surface so all
tread slack is in top of treads at tumbler end of crawlers
as shown in
2.
Place straight edge on tread as shown in
.
Gap between straight edge and top of tread at lowest
point should be 1-1/2 in (38 mm) (tight limit) to 3 in (76
mm) (loose limit).
3.
Adjust tread slack if gap exceeds either limit.
4.
Adjust treads tighter when operating on firm ground and
looser when operating on soft ground (mud or sand).
CAUTION
Pin Damage!
Do not adjust treads too tight. Tread pins will wear rapidly
and may break. Dirt build-up will tighten treads even
more, increasing possibility of damage.
More torque is required to drive tight treads, which results
in faster wear and more fuel consumption.
FIGURE 8-2
Gap
1-1/2 in (38 mm) Tight Limit
3 in (76 mm) Loose Limit
Tumbler End
of Crawler
Straight
Edge
18CSM8-101
Содержание 18000
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