ENGINE
111
Fig. 2
Fig. 3
Fig. 4
Fig. 1
VACUUM PUMP
REMOVAL AND DISASSEMBLY VACUUM PUMP
1 Remove air inlet and outlet connections from
vacuum pump.
2 Remove cylinder head.
3 Crank engine till piston is at its outermost position.
Remove cylinder sleeve. Fig. 1.
4 Remove piston pin circlip. Fig. 2.
5 Force out piston pin and remove piston.
6 Unscrew connecting rod cap bolts and carefully
remove connecting rod and cap with bearing
shells. Fig. 3.
7 Unscrew suction valve cap from cylinder head
using adopter, 321 589 02 07. Fig. 4. Remove valve
spring, valve disc and valve seat.
8 Unscrew delivery valve seat from cylinder head
using adopter, 312 589 09 07. Fig. 5. Remove valve
disc, valve spring and spring housing.
9 Clean all parts.




