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FAULT HANDLING Typical faults as following
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PERIODIC INSPECTION AND MAINTENANCE
Periodic inspection and maintenance as following
MAINTENANCE
■1.Place the fire pump on dry ground. high humidity will harm the steel parts, which is easy to get rust
■2.Keep the fire pump clean and dry.
■3.Keep the fuel and oil tanks full
■4.Keep the vacuum oil cup in proper level
■5.Run the pump at least once per month
■6.Check the battery once per month
■7.Discharge the carburetor oil completely if the pump will be in warehouse for more than one month
■8.Replace the spark plug when it is worn NGK F7TC
■9.Replace the V-type belt when it is broken or worn. Size: A-838
NOTICE
1. Contact WOQ customer service if “0” or “*” happens
2.Check time and frequency base on above table
Item Inspection time and
frequency points measures remarks
Fuel After operation Fuel in tank Refuel
Oil After operation Oil in vacuum oil tank Refuel
Light After operation Shiny Replace
Carburetor circuit Every 50 hours or 3 months Carburetor float Clean or replace
battery Every month Liquid level Fill
Recoil rope Every month worn Replace *
Spark plug Every 50 hours or every month Dirty, damage, big gap Clean or replace
Fuel system Every 50 hours or every month Dirty filter, leakage replace *
Pump Running situation Replace when necessary 0
Outlet valve Every 50-100 hours Vacuum leak Replace when necessary 0
V belt Every 100 hours or every year Worn or break Replace 0
All other accessories Every 300 hours or every 3 years Check thoroughly Replace when necessary 0
Type position Reason Remedy Remarks
Starting
Engine system
No or low electricity Charge the battery /hand
starting device
Electrode loose Tighten
Fuse blowing Replace In starting box
Wire loose Tighten
Spark plug cap off Cover it
Spark plug loose Tighten Spark plug sleeve
Spark plug burn, dirty ,damage Replace
Fuel system
Fuel tank empty Refill it with 93#unleaded
gasoline
Oil switch (with filter) closed Open
Leaded gasoline（overtime or dirty）Change and clean with new
gasoline
Blockage in fuel pipeline Clean /replace
Carburetor blocked Clean /replace 0
Insufficient choke. Check and correct
Others
Cylinder compression pressure not enough Adjust air throttle 0
Oil pressure sensor start Check oil level 0
Engine speed control handle not in right position Check and correct
Suction
No vacuum
End of suction hose not in water Put into water
Suction-hose joints loose tighten
Suction hose washer break Replace
Suction hose break or damage Replace
Vacuum gauge hose break Replace
Discharge valve open close
Vacuum pump hose loose tighten Beside the pump
V-belt worn or break Replace 0
Vacuum pump handle could not be pulled down Check V-belt
Rotor or shaft locked repair 0
Outlet valve could not be closed Clean or replace
Seal dirty or damaged Replace 0
No oil in vacuum oil cup Refill the cup
vacuum
Suction head too high Lower the height
Filter blocked clean
Vacuum from time to time Flat the hose
End of the hose near the water
Water
flow
Pump
Suction height too high Lower the height
Suction hose too long shorten
Filter or hose blocked Clean
Suction hose break Check and repair
Inlet cap break Replace 0
Out let valve half open Full open
Impeller obstruction Clean 0
Engine
Nozzle diameter not proper correct
Throttle open not enough Open
Carburetor blocked clean 0
