Table 3-2. Unit Preventive Maintenance Checks and Services-Continued

Table 3-2. Unit Preventive Maintenance Checks and Services-Continued - TM-5-4520-253-13_46

Table 3-2. Unit Preventive Maintenance Checks and Services-Continued - TM-5-4520-253-13_48

TM-5-4520-253-13 Heater Space Mutifuel With Blower 28 VDC Model VBM 15-1V Manual
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TM 5-4520-253-13 Table 3-2. Unit Preventive Maintenance Checks and Services-Continued M—Monthly Q-Quarterly Item Interval ITEM TO BE INSPECTED No. M Q PROCEDURE WARNING Remove electrical charge from ventilating air motor capacitor C3 by shorting out contacts using tool having insulated handle. Allow sufficient time for heater to cool to room temperature before gaining access to heater compartments. 4 • Remove right-hand louver panel (1) and left-hand louver panel (2). Clean and inspect interior including combustion blower and ventilating air motor. Lubricate louver pivots with MIL-A-907 antiseize compound. 5 • Open left heater case door (3), front access door (4), right heater case door (5), and control box cover (6). Clean and inspect interior of heater. Lubricate door and cover hinges with MIL-A-907 antiseize compound. 3-14 Change 1

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