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NOTE:
Sealing rings (13) and (15) and anti-extrusion rings (14)
and (16) must be replaced each time the unit is disassem-
bled.
33
34 35
FIGURE 18: 3-FUNCTION VERSION ONLY
Remove sealing rings (34) and (36) and anti-extrusion rings
(35) and (37) from piston (33).
NOTE:
Sealing rings (34), (36) and anti-extrusion rings (35), (37)
must be replaced each time the unit is disassembled.
A
26
A min. =1,36 mm
FIGURE 19: Always check the thickness of braking discs (26),
even if the braking unit is being disassembled for other rea-
sons than this.
If thickness "A" of one of the discs (26) is close to the mini-
mum admissible size of 1.36 mm, replace the whole pack.
ASM-0025E - 212 Axle Service Manual
35
34
36 37
36 37
25
FIGURE 20: BRAKING DISCS PACK CONTENTS
The braking discs pack is comprised of: 11 braking discs and
12 steel counterdiscs.
9
FIGURE 21: If the braking discs unit is replaced, shims (9) -
which determine the preloading of Belleville washers (11) -
must to be restored.
41
FIGURE 22: ONLY WHEN REPLACEMENT IS NECESSARY
Remove the union pieces (41) and (42) connecting the lubri-
cation tube (2).
NOTE:
During the assembly stage, union pieces (41) and (42)
must be coated with Loctite 577 and tightened to a torque
wrench setting of 35 - 50 N·m.
DISASSEMBLY
10
11
42
Dana Holding Corporation
115
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