Manitowoc Published 05-09-17, Control # 014-28 2-21
16000 SERVICE/MAINTENANCE MANUAL HYDRAULIC SYSTEM
Speed Checks
Travel Speed
Perform the following check in an area where the crane can
be traveled without interference.
1. Put a timing mark on the front crawler roller
(Figure 2-19
).
2. Start and run engine at high idle.
3. Push both crawler control handles fully FORWARD to
travel crane at full speed.
4. Have an assistant count number of revolutions timing
marks make ā must be within range given in Table 2-10.
5. If speed is not within specified range, contact the
Manitowoc Crane Care Lattice Team.
Swing and Drum Speeds
Perform the following check in an area where the crane can
be swung without interference.
Check operating speed on the diagnostic screens
(Figure 2-29
) for swing and each drum with:
⢠Engine running at high idle
⢠Control handles moved fully forward and back
⢠No load
⢠No rope on drums
Speeds must be within the ranges specified in Table 2-10
. If
proper speeds are not indicated, contact the Manitowoc
Crane Care Lattice Team.
FIGURE 2-19
Front
Crawler
Roller
IMG_6085
Timing
Mark