RE 15305-WA, Version 11.2019, Bosch Rexroth AB
Installation |
Hägglunds CA Radial piston hydraulic motor
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Table 20: Discs and spacers for MDA 14 and MDA 21
Brake
Discs
Spacer
MDA 14 19
3 outer, 2 inner
t=52.5 (2.07)
MDA 14 38
5 outer, 4 inner
t=39.5 (1.56)
MDA 14 67
8 outer, 7 inner
t=19.7 (0.78)
MDA 21 95
11 outer, 10 inner
5.
Apply MoS2 Molykote long term 2 or equivalent on the belleville springs (315),
the inner machined surface of the brake piston (313) and brake cover (314).
Make sure no grease is transferred on to the contact surface between the brake
housing (305) and brake cover (314). Put the belleville springs (315) on the
centre shaft of the brake cover (314), the springs should be mounted against
each other on the inner diameter.
6.
Apply a thin layer of corrosion protection, Shell Ensis or similar, on the outer
machined area of the brake piston (313).
7.
Apply a string of liquid sealing compound on the contact surface between the
brake housing (305) and brake cover (314). The sealing compound should be
applied in a complete circle on the inside of the threaded holes of the brake
housing (305).
8.
Mount the brake cover (314) on the brake housing (305), oil the screws (40)
and assemble with washers, tighten 4 bolts evenly in a cross pattern by hand,
maintain brake cover (314) parallell against the brake housing (305). Tighten
the remaining bolts by hand until they are flush against the brake cover (314).
Start tighten all screws in a circular pattern not more than one turn at a time
until the brake cover (314) is tight against the brake housing (305), torque the
bolts to 114 Nm (84 lb·ft).
9.
Remount plugs.
Fig. 48: Parts in MDA 14 and MDA 21
Seal with Hylomar
or equivalent
DD00104886