Bosch CRR 120 - Inlet Valve (WAP 3;2) Replacement

1 689 975 254 2014-01-14| Robert Bosch GmbH
Information on fault rectification / component replacement | CRR 120 | 27 en
Fig. 10: Opening CRR 120
1. Switch off the pressure and power supply.
2. Screw out the 4 bolts (Torx TXP 10) (Fig. 9, Pos. 1)
and detach the cover (Fig. 9, Pos. 2).
3. When doing so, disconnect the protective conductor
cable (Fig. 10, Pos. 3) on the right behind the two
pressure connections A and B.
7.3 Inlet valve WAP 3/2 with red actuator
Fig. 11: CRR 120 inlet valve WAP 3/2 with red actuator
1 Noise insulation element (Fig. 11, Pos. 1 )
2 Supply pressure inlet (Fig. 11, Pos. 2 )
3 Outlet to distributor block (Fig. 11, Pos. 3 )
Fig. 12: CRR 120 inlet valve WAP 3/2, installed
Notes on removal
1. Switch off the pressure and power supply.
2. Use a 6 mm open-ended wrench to push back the
release ring (Fig. 12, Pos.1) of the push-in fitting.
Pull the hose (Fig. 12, Pos. 2) out of the fitting.
3. Unfasten the bayonet connection (Fig. 12, Pos. 3) to
the red actuator.
4. Use a screwdriver to press down the catch (Fig. 12,
Pos. 4) and detach the inlet valve.