Takeuchi TB 175 Handbuch Seite 978

Nozzle
work.
Injection timing is
defective.
2. Engine starts,
but immediately stops.
3.Engine's Defective
output is injection
insufficient. timing, and other
failures.
Nozzle
movements
is defective
Injection pump is
defective.
doesn't (1) Nozzle valve doesn't open or close normally.
(2) Nozzle seat is defective.
(3) Case nut is loose.
(4) Injection nozzle starting pressure is too low.
(5) Nozzle spring is broken.
(6) Fuel oil filter is clogged.
(7) Excessive oil leaks from the nozzle sliding area.
(8) Deformation due to excessive tightening of nozzle
retaining bolt.
(9) Strainer is clogged.
(1) Injection timing is retarded due to failure of the
coupling.
(2) Camshaft is excessively worn.
(3) Roller tappet incorrectly adjusted or excessively
worn.
(4) Plunger is excessively worn.
(5) Bad installation of injection pump.
(6) Air sucking.
(7) Delivery valve is defective.
(1) Fuel pipe is cogged.
(2) Fuel filter is clogged.
(3) Improper air-tightness of the fuel pipe connection,
or pipe is broken and air is being sucked in.
(4) Insufficient fuel delivery from the feed pump.
(5) Trochoid pump is defective.
(6) Air sucking.
(7) Electromagnetic feed pump is clogged.
(8) Out of fuel.
(9) Stop solenoid is defective.
(10) Accumulator is abnormal.
(1) Knocking sounds caused by improper (too fast)
injection timing.
(2) Engine overheats or emits large amount of smoke
due to improper (too slow) injection timing.
(3) Insufficient fuel delivery from feed pump.
(4) Torochoid pump is defective.
(5) Type of fuel is incorrect.
(6) Fuel tempererture is high.
(1) Case nut loose.
(2) Defective injection nozzle performance.
(3) Nozzle spring is broken.
(4) Excessive oil leaks from nozzle.
(1) Max. delivery limit bolt is screwed in too far.
(2) Plunger is worn.
(3) Injection amount is not uniform.
(4) Injection timings are not even.
(5) The 1st and 2nd levers of the governor and the control rack
of the injection pump are improperly lined up.
(6) Delivery holderr is loose
(7) Delivery packing is defective.
(8) Delivery valve seat is defective.
(9) Delivery spring is broken.
(10) Carbon deposit is adhered.
(11) Spray pattern is abnormal.
(12) Nozzle crack.
(13) Plunger barrel crack.
56
Repair or replace
Repair or replace
Inspect and tighten
Adjust
Replace
Repair or replace
Replace the nozzle assembly
Replace or adjust.
Replace or clean
Adjust
Replace camshaft
Adjust or replace
Replace plunger assembly
Adjust.
Bleed air.
Replace.
Clean
Disassemble and clean, or
replace the element.
Replace packing; repair pipe
Repair or replace.
Replace.
Bleed air or hose check.
Replace.
Fill the fuel.
Replace.
Replace.
Inspect and adjust
Inspect and adjust
Repair or replace
Replace.
Check and refill proper fuel.
Cool.
Inspect and retighten
Repair or replace nozzle
Replace
Replace nozzle assembly
Adjust
Replace
Adjust
Adjust
Repair
Inspect and retighten
Replace packing
Repair or replace
Replace
Clean
Replace
Replace
Replace fuel injection pump.