gf2660w302002d

Hydraulic gear shift cylinder, function

Tip gf · temă 26.60 · versiune 0100 · 2005-06-02

Valabil pentru: TRANSMISSION 715.5 in MODEL 930, 932, 933, 934 with CODE (GS3) "Hydraulic" gearshift with CODE (IY2) Hydraulic fluid as per sheet 345.0 TRANSMISSION 715.5 in MODEL 940, 942, 943, 944 with CODE (GS3) "Hydraulic" gearshift with CODE (IY2) Hydraulic fluid as per sheet 345.0 TRANSMISSION 715.5 in MODEL 950.5 /6, 952.5 /6, 953.6, 954.5 with CODE (GS3) "Hydraulic" gearshift with CODE (IY2) Hydraulic fluid as per sheet 345.0 TRANSMISSION 715.5 in MODEL 970, 972, 974, 976 with CODE (GS3) "Hydraulic" gearshif

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Încadrare

Grupă funcțională 2 Sistem de rulare › 26 Cutie de viteze mecanică › 26.60 Schimbare de viteză — Seria 930 · Seria 932 · Seria 933 · Seria 934 · Seria 940 · Seria 942 · Seria 943 · Seria 944 · Seria 950 (modele 5**, 6**) · Seria 952 (modele 5**, 6**) · Seria 953 (modele 6**) · Seria 954 (modele 5**) · Seria 970 · Seria 972 · Seria 974 · Seria 976

EinPAS 17 Grup motopropulsor/Punte › 17.35 Cuplare/Comandă trepte de viteză › 17.35.31 Cilindru de cuplare/Piston de cuplare — Seria 930 · Seria 932 · Seria 933 · Seria 934 · Seria 940 · Seria 942 · Seria 943 · Seria 944 · Seria 950 (modele 5**, 6**) · Seria 952 (modele 5**, 6**) · Seria 953 (modele 6**) · Seria 954 (modele 5**) · Seria 970 · Seria 972 · Seria 974 · Seria 976

Valabil și pentru motoare/cutii de viteze: 715 5**

GF26.60-W-3020-02D

Hydraulic gear shift cylinder, function

Hydraulic gear shift cylinder, function

W26.60-1179-05

According to the movement of the gearshift lever (driver's specification), the hydraulic gear shift cylinder (6) converts the hydraulic pressure and fluid stream into the required mechanical force and movement at the transmission shift shaft.

The hydraulic gear shift cylinder (6) rotates (forwards or backwards) the shift shaft in the transmission in both directions in order to engage a gear.

The hydraulic component (A) of the hydraulic gear shift cylinder (6) contains a storage unit which produces a smoother and softer gearchange sequence in the transmission. When shifting, the pressure difference in the shift circuit of the pistons presses the storage unit against a spring.

If the transmission now is now shifted through all gears (less force is required after the synchronization sequence), the spring relaxes and the tug of the gearchange is not transmitted to the shift control unit.

The pneumatic component (B) also enhances the shifting force and is actuated by compressed air via two 3/2-way solenoid valves, shift force assistance solenoid valve 1 (Y68) and shift force assistance solenoid valve 2 (Y69).

These receive their electric signals from the shift force assistance control unit.