User Manual

GS R/C
DLA ENGINE OPERATING-INSTRUCTION
MANUAL
08/20/2014 Copyrighted Material
Owner’s Manual All Rights Reserved 03180-10000
Page - 40 DLA 32, 58, 64, 116, 116-I2 & 128cc Rev. A.05.01
TROUBLE SHOOTING:
TROUBLE SHOOTING GUIDE
ALWAYS STOP ENGINE WHEN MAKING ADJUSTMENTS
#
Problem / Symptom
Possible Solution
1
Engine is Flooded with fuel
1) Turn kill switch to OFF, Remove
Sparkplug. , Blow out and dry plug electrodes,
Turn engine to where the cylinder head is
pointed down, Drain Fuel, Rotate propeller
around several times, replace sparkplug and
restart engine
2
Engine starts after being choked but the
stops soon thereafter
1) The low mixture valve may be too lean.
Richen by turning counter-clockwise. Adjust the
Low End Mixture needle valve to achieve a
smooth idle and a reliable transition to high
throttle. Generally, if the engine stutters or
coughs in the mid range during low to high
transition or when the throttle is advanced, the
Low End needle is too lean and possibly the
High End Needle valve is too lean.
3
Engine runs rough and vibrates strongly
1) Check the propeller balance, 2) Balance
Propeller as needed, 3) Check engine to
firewall mounting bolts for security, 4) Check
tank to engine plumbing for air leaks, 5) Check
sparkplug for carbon build up (an indication
that gas:oil mix is too low or rich with oil) 6)
Check sparkplug gap, 7) Check all bolts for
tightness and security, 8) Make sure the engine
is not mounted in a bias, that is the crankcase is
being twisted by the mounting misalignment,
the ends of the stand-offs should be in the same
plane.