Bayer HealthCare RapidPoint 400 Series Service Manual page 316

c. Slide the cam shaft to the left and pull the cam shaft out of the
cartridge interface frame.
Ensure that the springs are retained at the bottom of the block.
11. Pull the preheater, the main heater, and the connector block wires
through the vertical slot in the cartridge block cover
12. Remove the connector block from the cartridge interface assembly by
lifting the connector block off the springs and sliding the connector
block towards you.
CAUTION:
on the alignment pins.
13. Lay the cartridge interface assembly with the motor side facing down
14. Install the new connector block:
a. Route all the wires through the cartridge interface frame.
b. Slide the springs onto the alignment pins. Mount the connector
block by sliding the block alignment pins through the holes in the
cartridge interface frame.
c. Reinstall the camshaft.
CAUTION:
those of the pinion gear. If misaligned, the cartridge will not function
correctly.
The position of the gears is indicated with pin holes and must be
NOTE:
aligned correctly.
d. Reinstall the pinion gear without engaging the teeth of the cartridge
handle.
e. Align the timing marks on the teeth of the cartridge handle with
those of the pinion gear.
f. Reinstall the retaining ring.
g. Reinstall the thermal cover.
CAUTION:
316
When lifting the connector block, retain the two springs located
Align the timing marks on the teeth of the cartridge handle with
Correctly connect the wires or temperature errors will occur.
Rev. C