Repairing the Sampler 4
1100 Series WS MWS Reference Manual 143
Needle-lock Motor and Belt
Removing the needle lock motor and belt
1 Switch off the sampler at the main power switch. Remove the power cable.
2 Remove the top cover, top plate, and foam (see “Top Cover and Foam" on
page 132).
3 Disconnect the motor connector from the SUD board (labelled “Metering
M”).
4 Remove the analytical head assembly, (see “Removing the analytical
head" on page 136).
5 Remove the belt, the four fixing screws, and remove the motor.
Installing the needle lock motor and belt
1 Feed the motor cable through to the SUD board. Connect the cable to the
connector, labelled “Needle M”.
2 Secure the motor in place with the four fixing screws, install the belt.
3 Install the analytical head assembly, (see “Installing the analytical head" on
page 136).
4 Install the top cover, top plate, and foam (see “Top Cover and Foam" on
page 132).
5 Turn ON the sampler, close the front door.
When required When defective
Tools required 1/4 inch-5/16 inch wrench 8710-0510 (supplied in accessory kit)
4 mm open end wrench 8710-1534 (supplied in accessory kit)
Pozidrive screwdriver
Parts required 5062-8590 Needle-drive motor
1500-0697 Belt
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