Product Manual

P3100 & P3200 Series
Users Manual
6-8
16. Insert piston/cylinder assembly into piston nut (5) through the threaded end, such that
the shoulder on the cylinder is located within the central bore of the nut.
17. Replace piston cap (4), and secure with set screw (3), DO NOT OVER-TIGHTEN.
18. Carefully screw the assembly into the instrument, ensuring that the o-ring (9) is clean
and undamaged, and correctly fitted to the piston post (10).
19. Replace weight carrier assembly (1 & 2), ensuring that it locates correctly on the
piston cap.
Replacement PCU Assembly
W Caution
The piston and cylinder assembly is a matched pair, which is
calibrated and adjusted to a calculated mass figure. If, for any
reason, the piston or cylinder becomes damaged, then the
entire assembly must be replaced. The replacement assembly
consists of the following components: Item numbers
1 through 7.