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altitude and the room temperature increase (the drop is approximately 3.5% for every
305m / 1000 ft above sea level and 1% for every 5.6°C/42°F above 16°C/61°F). Refer to
the combustion engine’s instructions for any precautionary steps to take if the appliance is
to be used at high altitudes or at high room temperatures.
Refer to gures 1, 2, 3 and 4 located at the start of these operating and maintenance instructions
for the following.
2.1 IDENTIFICATION OF PARTS
2.1.1 Trolley/Barrow parts
2.1.2 Motor-driven pump parts
2.2 SAFETY DEVICES
Pressure limit/adjustment valve
This valve has been correctly set by the Manufacturer and enables adjustment of the operating
pressure and the pumped uid to return to the by-pass hose, thus preventing the creation of
dangerous levels of pressure when the delivery outlet is closed or should pressure be set that is
above permitted levels. A pressure limit/adjustment valve complete with interception/distribution
devices for the pumped liquid (for example taps) is usually called a pump control unit. For
simplicity’s sake, these instructions use the term control unit to refer to both the pressure limit/
adjustment valve and the pump control unit.
1 Delivery hose 15 Support for hose reel
2 Cover 16 Tank
3 Aperture for passage of by-pass hose 17 Central hose reel coupling
4 By-pass hose 18 Hose reel (optional)
5 Intake filter (external) 19 Hose reel handle
6 Identification label for barrow/trolley 20 Side hose reel coupling
7 Handle 21 Filter coupling
8 Connection hose 22 Intake filter (internal)
9 Base 23 Filling filter
10 Tank discharge cap 24 Spray angle adjustment/blocking
11 Warning label 25 Lance coupling
12 Intake hose 26 Lance lever
13 Lance 27 Nozzle
14 Frame
28 Filling cap for reducer oil 37 Pressure gauge
29 Pressure adjustment knob 38 Identification label for pump
30 By-pass/pressure lever 39 Identification label for motor-driven pump
31 Filling cap for pump oil 40 Coupling for delivery outlet
32 Volumetric oil compensator 41 Tap lever
33 Intake coupling 42 By-pass coupling
34 Hook 43 Pressure accumulator
35 Identification label for control unit 44 Label with guaranteed sound level
36 Inlet tap