898
Model
No Page
28.07.1999 6000---8950 59.1 2
BRAKE VALVE, FIT T ING INSTRUCTION
(6)
26.09.1997
--- Fit the brake valve bracket 9 under two screws
oftherearaxlehousingaccordingtothefig.1.
Rear axle housing fitting bolts:
70 Nm ( M10 property class is 10.9 )
125 Nm ( M12 property class is 10.9 )
--- Attach the brake valve (2 pcs screws 8 + nut
15).
--- Fit instead of the LH side brake pipe connector
piece a T---connector 14 and connect the brake
pipe 13 to the pilot part of the valve. Shape the
pipe if necessary.
--- D et ac h t h e h os e e n d ( p ump/ p r es su r e f i lt e r ---
valve plate) from the LH side gearbox valve
block.
Hi Shift: detach the hose end (pressure filter---
hydraulic block), from the clutch hydr. block (see
picture 3b).
HiTech: detach the hose end (pressure filter---hy-
draulic block) from hydr. block (F---R, C3).
--- Easiest way to connect the hoses is the follow-
ing order (fig. 2):
1. N
2. R
3. P or B
--- Connect hose 10 to the brake valve port ”N”
using an angle connector 5 and connect the
hose other end to the gearbox (standard mo-
dels) valve block
Hi Shift: to the clutch hydraulic block (see pic-
ture 3b).
HiTech: to the hydr. block (F---R, C3).
--- Connect the end of the hose 12 to the brake
valve port ”R”.
--- Connect the detached pressure hose end to the
port “P” with an angle connector 5.
--- Connect hose 4 to the brake valve port ”B” and
fasten the pipe other end to the quick---action
coupling bracket using intermediate nipple 3 and
male connector 1.
--- Bleed brake system.
--- Check for leaks in brake system. Measure the
brake valve pressure from the quick---action
coupling. Start the engine (hydraulic oil tempera-
ture 50---65˚C, engine revs1500 r/min). Latch the
brake pedals together and increase gradually
brake pedal force. The pressure should rise up
to 15 MPa.
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