Table 3-2. Troubleshooting (Con't)
TEST OR INSPECTION
3. PRINTING LAMP DOES NOT COME ON WHEN OPERATING PLATEMAKER. I
Step 1. Inspect for failure of mercury vapor lamp
Replace failed lamp as described in paragraph 3-9.
4. LIGHT TABLE WILL NOT ILLUMINATE.
Check for defective fluorescent tube
Replace defective fluorescent tube as described in paragraph 3-9.
5. CAMERA VACUUM COPYBOARD INOPERATIVE.
Using foot pedal. operate vacuum pump and check for leaks from vacuum hose extending from pump to
underslide of copyboard.
Disconnect defective hose at pump and copyboard and replace hose as described in
6. WATER SUPPLY IS COLD.
Step 1. Check to see if the immersion heater is plugged into wall receptacle
Plug immersion heater into wall receptacle.
Step 2. Check to see if the proper circuit breaker In the main panel for the immersion heater Is in the or
Position applicable circuit breaker to on.
7. RELATIVE HUMIDITY WITHIN SHELTER BELOW 50.
Check for closed humidifier water supply line valve at base of water tank.
Open humidifier supply line valve.
Section IV. MAINTENANCE PROCEDURES
operator are, for the most part, limited to servicing and
equipment which forms a part of the shelter system.
Many of these servicing and maintenance procedures
are outlined in the commercial publications supplied with
the various items of equipment. This section contains
publications or procedures deemed to be operator
3-8. Platemaker Mercury Vapor Tube.
Replace mercury vapor light tube as follows:
a. Position PLATEMAKER circuit breaker in main
power service box to off.
b. Pull out on flip-top frame release knob and
move knob down to lowest position. Place flip-top
frame to vertical position.
c. Remove the Allen setscrews and clamps from
each side of the lamp reflector and remove the glass