OHAUS MB25, Руководство по обслуживанию

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CHAPTER 3 MAINTENANCE PROCEDURES
Ohaus Corporation www.ohaus.com 3-10 MB23 and MB25 Service Manual
3.8.3 Removing the Heater on the MB25
1. Remove the screws and washers
that secure the Reflector, and lift it
off. (See Figure 3-19.)
2. Remove screw and washer
anchoring the cable.
(See Figure 3-23.)
Figure 3-23. Screw and washer anchoring
Heater Cables.
3. Press outwards on the clips on both
sides of the Heater, and gently lift the
Heater up and out. (Figure 3-24.)
3.8.4 Replacing the Heater on the MB25
1. Grasp the new Heater by its base,
gently press it against the retainer
clips opposite, and press it down
until it clicks into place.
2. Connect the Heater cables.
3. Install the Reflector.
4. Replace the Chamber Top on the
Heater Frame Housing. Insert the
four screws that secure Chamber
Top to the Heater Frame Housing.
(See Figure 3-16.)
Figure 3-24. Lifting out the Heater.
5. Repeat Heater Circuit Tests. (See Section 3.3.1.)
6. If tests are OK, reassemble the Top Housing. (See Section 3.8.)
7. Perform a Temperature Calibration. (See Appendix A.)