Troubleshooting The Lp System - Husqvarna CRT48-33K Operator's Manual

CRT 48-33K
6.2

Troubleshooting the LP System

Problem
Engine cranks, but does
not start
Engine starts, but opera-
tion is sluggish
Engine starts, but stops
running after a short
time
wc_tx002047gb.fm
Reason
Empty LP cylinder
Discharge valve on LP cylinder
closed
LPG / gas selector switch in
wrong position
Lock-off valve not operating
Cold ambient temperature
LP not flowing to combustion
chamber. Reasons may be:
Discharge valve partly closed

LP gas leak

Fuel hose partly blocked

Clogged or damaged LPG

vaporizer
Remedy
Replace.
Open the discharge valve.
Make sure the LPG / gas selector switch
is set to LPG.
Check electrical connections to lock-off

valve
Consult engine owner's service man-

ual—see procedure for checking
engine carburetor fuel solenoids.
Allow engine to warm up for a few minutes
before operating the trowel.
Open the valve fully.

Determine source of leak; repair.

Check for kinks or obstructions; repair.

Check vaporizer for obstructions. If

there are none, consult the engine
owner's manual for service information.
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Troubleshooting