Manual

6.2 Maintenance and servicing
761 SD Compact IC / Instructions for Use 8.761.1043
95
24
Pump head 6.2824.100
68
Screw for piston cartridge 72
69
Zirconium piston 6.2824.070 with pis-
ton shaft
70
Spring retainer
71
Spring 6.2824.050 (for main piston) or
Spring 6.2824.060 (for auxiliary piston)
72
Piston cartridge 4.709.0760
73
Piston guide sleeve 4.709.4380
74
Sapphire supporting ring 6.2824.030
75
Piston guide sleeve 4.709.4370
76
Piston seal 6.2741.020
77
Inlet valve 6.2824.090
78
Outlet valve 6.2824.080
79
Screw holder for valve
80
Special tool 6.2617.010 for removing the
piston seal
76
81
Special tool 6.2617.010 for
fitting the piston seal
76
• Use the special tool 81 to fit a new piston seal 76.
• First firmly fit the new seal by hand into the recess in the tool
81 (see Figure 16B). The seal spring must be located on the
outside.
• Then insert the tool 81, together with the seal, in the pump
head 24 and use the tool 80 to press the seal into the pump
head recess (see Figure 16C).
The seal surface in the pump head
24 may not be damaged (avoid
contact with tool)!