TROUBLESHOOTING - Continued
TEST OR INSPECTION
VENTILATED FACE PIECE SYSTEM - Continued
Make sure BATTERY-GENERATOR gage indicates green range.
If BATTERY-GENERATOR gage indicates below green range, charge bat-
tery by running main engine (p 2-86) or the AFU (p 2-135). After BATTERY-
GENERATOR gage indicates well into green range, turn off engine.
Notify Organizational Maintenance if indicator does not remain in green
Check to see that VFPS control box switch is ON.
Check hoses and connectors for damage or kinks.
Remove kinks if possible. Report any damage to Organizational Mainte-
Check that spring clip is removed from inlet holes.
Remove spring clip.
Check that air intake is unobstructed and listen for fan operation.
Notify Organizational Maintenance of clogged filters if intake is unob-
structed and/or fan is not operating.
36. PRECLEANER DOES NOT OPERATE WITH VFPS SWITCH ON
Check vehicle MASTER switch.
Turn MASTER switch ON.
37. NO HEAT TO VENTILATED FACE PIECE(S), BUT AIR FLOW NORMAL
Step 1. Check to see that VFPS control box switch is ON.
Turn switch ON.