Table 4-2. Troubleshooting (Con't)
Step 2. Inspect water line between tank and faucet for damage which would prevent water flow.
If necessary, replace defective line as follows:
a. Disconnect immersion heater power cord from heater receptacle.
b. Open draincock and faucet to drain tank. (See fig. 4-4.)
c. Unscrew the tank-to-faucet water line fittings at the base of the tank.
d. Unscrew the water line fitting immediately below the standpipe draincock.
e. Unscrew the water line fitting above the faucet and remove damaged line.
f. Position replacement line assembly, carefully bending tube to align fittings.
g. Connect line fitting at faucet union. Do not tighten at this time.
h. Connect line fitting at water tank base union. Do not tighten at this time.
i. Connect line fitting to standpipe draincock.
j. Tighten all fittings.
k. Close faucet and draincock.
I. Fill tank with approximately 10 gallons (37.8 liters) of water.
m. Connect immersion heater power cord to heater receptacle.
n. Check for water leaks and secure fittings as necessary.
3. HEADLINER COMPOSING MACHINE NOT PRODUCING GOOD COPY
Step 1. Inspect headliner in accordance with applicable commercial manual.
Service and adjust headliner in accordance with applicable commercial manual.
Step 2. Inspect headliner for irreparable damage. If necessary, replace headliner as described in paragraph 4-33.
4. SHELTER LIGHTING COMPONENT FAILURE
Step 1. Inspect for failure of one or more fluorescent tubes.
If necessary, replace defective fluorescent tubes as follows:
a. Grasp lamp tube, rotate 90 degrees and lower from sockets.
b. Place new lamp below sockets with pins vertical. Insert lamp into sockets and twist until pins lock.
Step 2. Inspect lamp switches for excessive wear, loose connections and proper operation and switchbox cover for
security of mounting
If necessary, replace defective switch as follows:
a. Position the LIGHTS circuit breaker to the OFF position.
b. Remove the two screws that secure the switchbox cover to the switchbox and remove the cover.
(See fig. 4-5.)