DRAPER 83819 Lawn

User Manual - Page 14

For 83819.

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8. ASSEMBLING THE PRESSURE WASHER
FIG.10
8.6 NOZZLES TO LANCE - FIG.11
8.7 PRESSURE PUMP TO WATER SUPPLY - FIG.12
WARNING: Never place hands in front of nozzle. Never grasp hose or fittings during
operation. Never attempt to attach or remove spray wand or hose fittings while
pressure washer system is pressurised. Turn off pressure washer and lock the gun
trigger before attempting to change pressure nozzles.
NOTE: The pressure washer requires a minimum of 20psi and a flow rate of 19L/m.
FIG.11
FIG.12
10.5 EXHAUST CONTROL SYSTEM
10.4 PRESSURE ADJUSTMENT
ADJUST PUMP PRESSURE REGULATOR - FIG.17
With the engine running, carbon monoxide, nitrogen oxide and hydrocarbon are produced,
and in certain conditions nitrogen oxide and hydrocarbon will react together to make smoke
while carbon monoxide is toxic, so exhaust control is very important. The manufacturer
decreases exhaust emissions by introducing poor-fuel carburetors and other devices to solve
the problem. To keep the exhaust of your engine within the standard exhaust emission
values, pay attention to the following:
- MAINTENANCE
Maintain the engine periodically in accordance with the maintenance schedule.
The maintenance schedule is made out on the basis of normal use in normal conditions.
If using under heavy load, dusty or wet conditions or in high temperature, more frequent
maintenance will be necessary.
- REPLACEMENT OF PARTS
We recommend that you use parts that are supplied by the manufacturer or equivalent
quality parts. Replacement parts of inferior quality may impair the effectiveness of the
exhaust control system.
- MODIFYING
Modifying the exhaust control system may make exhaust emissions exceed statutory limits.
Illegal modifications could be:
Dismantling or modifying any part of the air inlet or outlet system.
Modifying or removing speed adjustment controls or connections which may result in the
engine running outside its set parameters.
- PROBLEMS AFFECTING EXHAUST EMISSIONS
Difficulty in starting or stopping.
Eratic idling.
Giving off black smoke or excessive fuel consumption.
Poor ignition spark or no spark.
Ignition too advanced.
If you have any of these above problems please contact your dealer.
FIG.17
19
14
10. OPERATING THE PRESSURE WASHER
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