Fav 900
Transmission / Vario transmission unit
Replacing high-pressure-relief valves forwards/reverse
G
Repair
Fav 900 chassis number 23/3001 and up
29.8.2001
1080
000012
G
a
1/1
Capitel
Docu-No.
Index
Date
Version
Page
Replacing high-pressure-relief valves forwards/reverse
PM-Picturemodule
PM-Picturemodule
PM-Picturemodule
PMTAB_Picture
Preliminary work: drain transmission oil
(approx. 65 l). Unscrew two drain plugs at bottom
of transmission.
Remove 2V3 and 2V4 = high-pressure-relief
valves using socket head (27 mm).
Note:
2V3 = high-pressure-relief valve forwards
2V4 = high-pressure-relief valve reverse
PMTAB_Picture
Photo shows 2V3 = high-pressure-relief valve
removed from transmission.
This high-pressure-relief valve is a servo-assisted
pressure-relief valve.
Pressure setting new 500 + 20 bar.
Pressure setting used 480 +/- 20 bar.
Only fit new O-rings is old ones are damaged.
Take care to fit locating rings correctly.
Tighten 2V3 and 2V4 = high-pressure-relief
valves to 250 + 20 Nm.
PMTAB_Picture
Note:
Filling with transmission oil using external
oil-filling unit: Chapter 1080 Reg. G