93. Cutout Switch Operating at Wrong Pressure
Probable cause
Possible remedy
Incorrect adjustment ................................ ...................... Adjust switch (par. 135).
Differential setting incorrect ................................ ........... Adjust setting (par. 135).
Dirt holding release valve open................................ ...... Disassemble and clean valve (par. 135).
94. Hose Reels Do Not Turn Properly
Probable cause
Possible remedy
Loose mounting ................................. ............................ Tighten the hose reel at the reel hub (par. 141).
Defective reel brake................................ ....................... Replace the reel brake (par. 141).
95. Lubricant Pump Fails To Operate Properly
Probable cause
Possible remedy
Faulty connections in grease line ................................ .. Inspect line for leaks in hose, swivels, connectors, control
handle, and pipe line (par. 143).
Inadequate supply of air ................................ ................. Inspect air connections to pump (par. 143).
96. Metallic Thud in Engine
Probable cause
Possible remedy
Low oil supply . ................................ .............................. Add oil (LO 5-4930-202-12).
Diluted oil ................................ ................................ ...... Drain, add proper oil (LO 5-4930-202-12).
97. Oil Consumption Excessive
Probable cause
Possible remedy
Oil too light or diluted ................................ ..................... Drain, fill with correct oil (LO 5-4930-202-12).
Leak at air filler cap ................................ ....................... Replace oil filler cap.
98. Air Compressor Pump-Up Time Too Long
Probable cause
Possible remedy
Air leaks ................................ ................................ ........ Tighten leaking connections.
Clogged air strainer ................................ ....................... Remove filter element from air intake muffler and clean
99. Heater Does Not Ignite
Probable cause
Possible remedy
Lack of fuel ................................ ................................ ... Fill fuel tank (par. 11).
Clogged fuel filter ................................ .......................... Clean or replace fuel filter (par. 149).
100. Heater Does Not Keep Burning
Probable cause
Possible remedy
Air in fuel system ................................ .......................... Bleed air drain cock (par. 150).
Lack of fuel ................................ ................................ ... Fill fuel tank (par. 11).
101. Insufficient Pressure or Volume of Flow-With Pump Operating
Probable cause
Possible remedy
Exhausted lubricant supply ................................ ............ Refill lubricant containers.
Circulation of grease ................................ ...................... Push grease down around pump intake priming tube and
use heater to warm grease.
Insufficient air pressure supplied to pump ...................... Set air regulator at higher pressure, if necessary. Check
for closed or inoperative valves, or obstructions in
air lines (par. 142).
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