LEVER 2S4280 - Caterpillar

High Forward - Zero Motor Speed
Zero Motor/pump (variator) (3) speed.
Illustration 10 g06266097
High Forward - Zero Motor Speed
(1) Input
(3) Motor/pump (variator)
(4) Planetary
(6) Aux Synchronizer
(8) LoF HiR Synchronizer
(9) Synchronizer - low forward position
(11) Clutch A
(12) LoR HiF Synchronizer
(13) Low reverse synchronizer position
(14) Synchronizer - high forward position
(15) Clutch B
(16) Output
(17) LoR gear
(18) LoF gear
(27) HiF gear
Table 8
Synchronizer (9) Synchronizer (14) Synchronizer (6) Clutch A (11) Clutch B (15) Motor/Pump (Variator) (3)
LF/HR/N LR/HF/N Aux/N On/Off On/Off Displacement
LF HF N OFF ON Increasing High Forward - Near Auxiliary Shift Point
Low forward synchronizer neutralized.Clutch (11) blipped to speed match for aux synchronizer.
Illustration 11 g06266234
(1) Input
(3) Motor/pump (variator)
(4) Planetary
(6) Aux Synchronizer
(7) Auxiliary
(8) LoF HiR Synchronizer
(9) Synchronizer - low forward position
(11) Clutch A
(12) LoR HiF Synchronizer
(13) Low reverse synchronizer position
(14) Synchronizer - high forward position
(15) Clutch B
(16) Output
(17) LoR gear
(18) LoF gear
(27) HiF gear
Table 9
Synchronizer (9) Synchronizer (14) Synchronizer (6) Clutch A (11) Clutch B (15) Motor/Pump (Variator) (3)
LF/HR/N LR/HF/N Aux/N On/Off On/Off Displacement
N HF N Blip ON Increasing Auxiliary Shift
Clutch (15) is neutralized.
Variator displacement changed from negative max displacement to near positive max displacement to synchronize speeds.
Auxiliary synchro engaged.High forward synchro engaged. Clutch (11) engaged.
Illustration 12 g06266238
(1) Input
(3) Motor/pump (variator)
(4) Planetary
(6) Aux Synchronizer
(7) Auxiliary
(8) LoF HiR Synchronizer
(9) Synchronizer - low forward position
(11) Clutch A
(12) LoR HiF Synchronizer
(13) Low reverse synchronizer position
(14) Synchronizer - high forward position
(15) Clutch B
(16) Output
(17) LoR gear
(18) LoF gear
(27) HiF gear
Table 10
Synchronizer (9) Synchronizer (14) Synchronizer (6) Clutch A (11) Clutch B (15) Motor/Pump (Variator) (3)
LF/HR/N LR/HF/N Aux/N On/Off On/Off Displacement
N HF Auxiliary ON OFF Negative Max to Positive Max Auxiliary - Away From Aux/H Shift
Recirculating power at Motor/pump (variator) (3).
Illustration 13 g06266240
(1) Input
(3) Motor/pump (variator)
(4) Planetary
(6) Aux Synchronizer
(7) Auxiliary
(8) LoF HiR Synchronizer
(9) Synchronizer - low forward position
(11) Clutch A
(12) LoR HiF Synchronizer
(13) Low reverse synchronizer position
(14) Synchronizer - high forward position
(15) Clutch B
(16) Output
(17) LoR gear
(18) LoF gear
(27) HiF gear
Table 11
Synchronizer (9) Synchronizer (14) Synchronizer (6) Clutch A (11) Clutch B (15) Motor/Pump (Variator) (3)
LF/HR/N LR/HF/N Aux/N On/Off On/Off Displacement
N HF Auxiliary ON OFF Decreasing