Troubleshooting Guide - Hitachi RB160EF Owner's Manual

11. Troubleshooting guide

Case 1. Starting failure
CHECK
fuel tank
fuel filter
carburetor adjustment screw
sparking (no spark)
spark plug
Case 2. Engine starts but does not keep running/hard re-starting
CHECK
fuel tank
carburetor adjustment screw
muffler, cylinder (exhaust port)
air cleaner
cylinder fin, fan cover
When your unit seems to need further service, please consult with our HITACHI service shop in your area.
GB-14
PROBABLE CAUSES
incorrect fuel
fuel filter is clogged
out of normal range
spark plug is fouled/wet
plug gap is incorrect
disconnected
PROBABLE CAUSES
incorrect fuel or staled fuel
out of normal range
carbon is built-up
clogged with dust
clogged with dust
ACTION
drain it and use correct fuel
clean
adjust to normal range
clean/dry
correct (GAP: 0.6 ~ 0.7 mm)
retighten
ACTION
drain it and use correct fuel
adjust to normal range
wipe away
wash
clean