Adjusting The Parameters Of The Autoshift Transmission
Usage:
BACKHOE LOADERS420D (FDP1-2214, BLN1-1485, BKC, BMC, BLA, BGD),
424D (BGP, BKR) 428D (BLL, BMT, BNB, BNS),
430D (BNK1-847, BML1-1024, BKW, BNJ, BLX, BGY),
432D (BLD),
438D (BPE, BPN),
442D (BRY, BRG) BACKHOE LOADERS
424D (BGP, BKR) 428D (BLL, BMT, BNB, BNS),
430D (BNK1-847, BML1-1024, BKW, BNJ, BLX, BGY),
432D (BLD),
438D (BPE, BPN),
442D (BRY, BRG) BACKHOE LOADERS
Problem:
D series backhoe loaders equipped with the autoshift transmission may experience quick and or jerky shifting. The skip shift timer may not be properly configured in the transmission ECM. Some of the first D-series machines were not properly set.
Solution:
Using Caterpillar ET (Electronic Technician with 3.2 or higher software, the skip ship timer can be changed using the configuration feature. The range for this parameter is 0 to 1 second. The optimum setting is 0.5 seconds.
Additionally, other parameters maybe changed under the configuration. The parameters should be the following:
- Fifth Gear is ENABLED
- First Gear is DISABLED in AUTOSHIFT MODE.
- If the machine is equipped with RIDE Control, the Ride Control should be ENABLED.
- First Gear is DISABLED in AUTOSHIFT MODE.
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Caterpillar Information System:
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