Kalmar DRD450-80S4X, Maintenance Manual

Page: 11 / 600

UDRF01.04GB
Maintenance manual DRF 400–450
A Foreword – Reading instructions 9
page –
Function descriptions
Function descriptions are schematic overviews that describe how a
function works as well as which components and signals work to-
gether.
Function descriptions describe the function in a logical flow from in-
put signal to desired output signal. Most functions require that pre-
set conditions are fulfilled for the function to be activated. In these
cases, the conditions are listed above the illustration.
Function descriptions use symbols to illustrate components such as
valves, sensors, etc.
Example of function description
UDRF01.04S
Underhållamamual DRF 400–450
2 4 Bromsar – 4.3 Servobromssystem
Hydraulschema basmaskin
Pa
D790-2
D797-F D797-R
6
7
8
5
1
2
11
12
3
4
10
9
13
P
B
ACC
P
B
T
D
D
D
C
C
C
Pa
004729
B
1. Bromsoljepump 8. Slutkontakt bromsljus (S216)
2. Bromsoljefilter 9. Brytkontakt bromsoljetryck (S204)
3. Ackumulatorladdningsventil 10. Reglerenhet ram fram (D797-F)
4. Ackumulatorer 11. Reglerenhet ram bak (D797-R)
5. Bromsventil 12. Bromsljus (H411L & H411R)
6. Bromscylindrar 13. Reglerenhet KIT (D790-2), Varningslampa bromstryck
7. Hjulbromsar
1
4
3
6
5
2
7
004899
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