5 - 11
3-Speed Travel and Max.
Flow Cut (continued)
1. At middle speed travel
Travel motor swash plate: low side
Pump: Standard
2. At high speed travel
Travel motor swash plate: Upper side
3. At low speed travel
Pump: Q cut
Q cut is done by F mode using the ON signal of upper
pressure S/W for the first time.
1. At middle speed travel
Travel only operation Travel motor swash plate:
Low side
Pump: Standard
Upper only operation
Pump: Q cut
Travel + upper combined Travel motor swash plate:
Low side
Pump: Q cut
2. At high speed travel
Travel only operation Travel motor swash plate:
Upper side
Pump: Standard
Upper only operation
Pump: Q cut
Travel + upper combined
Pump: Q cut
3. At high speed travel
Travel only operation Travel motor swash plate:
Low side
Pump: Standard
Upper only operation
Pump: Q cut
Travel + upper combined Travel motor swash plate:
Low side
Pump: Q cut
Section C
Electrics
9803/6400
Section C
5 - 11
Issue 1
Pump Control
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