Champion 73536i Betreibershandbuch PDF herunterladen (Seite 2)

50 June 2012 ARRL – The national association for Amateur Radio www.arrl.org

higher speed, ready for a sudden increase in

demand for power.

Annoyingly for me, a lefty, all of the genera-

tors are designed to be started by a right-

handed person. Fortunately, the recoil starter

handle was very easy to pull on all but one of

them.

Although the generators are similar in speci-

fications, features and appearance, we found

many differences in performance.

Champion 73536i

This bright yellow and black 1700 W (2000 W

surge) inverter generator reminds me of a road

hazard sign. In the box I was pleased to find

the manual, a container of motor oil, funnel,

spark plug wrench and battery charging cable.

For description sake, let’s pretend this gen-

erator is an automobile, with the exhaust pipe

at the back. The Champion has the controls

clustered around the pull cord,

on two panels on the right side.

Three LEDs — a yellow

OIL

WARNING

light, red OVERLOAD

light (lights at 1800 W thresh-

old) and the green

OUTPUT light

— are at the top left. To the

right of the LEDs are the

ECONOMY and engine on/off

switches. Below the LEDs are

the choke knob and fuel shutoff

valve. On the bottom panel, the

top row has the ac outlets and a

socket for the optional parallel

operation cable. The bottom

row features outlets used during

parallel operation, the battery

charging outlet, dc circuit

breaker and a ground terminal.

On top are a vented gas cap and

carrying handle. Large vents at

Four Generators with

a Lot in Common

All four generators weigh less than 50

pounds (dry) and have a durable, brightly

colored plastic shell that holds up well when

bumped or scraped. All are fairly close in

size, about as big as a 1980s boom box, with

comfortable handles to move them about.

You shouldn’t have much trouble loading

any of them into your vehicle and transport-

ing them to a portable operating location.

All have single cylinder, four stroke engines

and require slightly less than

⁄2 quart of oil in

the crank case. Each has a low oil level

shut-off feature, a good thing for those who

forget to add oil before starting for the first

time or who are lax on maintenance. Each

has a slightly recessed exhaust pipe, reducing

the risk of painful burn blisters.

Each generator produces a clean, stable

60 Hz ac waveform, suitable for running

radio gear, computers or other sensitive

electronics. Each has two 120 V, 20 A ac

outlets. All have a 12 V dc battery charging

outlet, though it is for the charging of a small

automotive or lawn tractor sized battery only.

The 12 V dc output waveform is full of

transients and is unregulated — don’t try

running any 12 V device from this outlet!

All but the Generac have the ability to run

two identical units in parallel with an

optional cable to essentially double the

power capability without sacrificing portabil-

ity. There is no provision for using two

generators to create 240 V ac.

To improve fuel economy and reduce noise

when the generator is lightly loaded, each

has an

ECONOMY switch. With ECONOMY

switched on, the generator runs at an idle

speed with up to 300 W or so output. With

ECONOMY off, the engine runs at a much

Champion 73536i, s/n 11MAY1801016

Engine: four stroke, single cylinder, 80 cc.

Fuel capacity: 1 gallon.

AC output: 120 V at 60 Hz.

Power output: 1700 W, 2000 W surge.

DC output: 8 A at 12 V dc (battery charger).

Weight: 49.2 pounds (dry).

Size (HWD): 16.3 × 19.3 × 13.3 inches.

Price: $599

Lab Testing: Load Test, Eco On

Load Output Frequency Sound Level*

(W) (V ac) (Hz) (dBa)

0 124.5 59.9 61.0

100 124.5 59.9 61.0

250 124.2 59.9 62.0

500 123.6 59.9 63.5

1000 121.5 59.9 69.0

1500 119.9 59.9 72.2

1700 119.8 59.9 73.5

Eco off No load 66.2

Fuel efﬁciency: 4.333 kWh/G

*See text.

Figure 1 — Conducted emissions from the inverter generators.

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the front and back ends provide cooling. The

left side engine access panel is secured with

four screws without retaining clips so be

careful if you remove them. The exhaust has

a spark arrestor.

Unlike the other three generators, round

pillars dominate each corner of the plastic

shell. They are designed to fit a matching

generator so the two units can be stacked

vertically and run in parallel. This is a smart

idea that takes up less surface area and

presents less of a trip hazard from the cabling.

The manual is well written and has a wiring

diagram, but what impressed me most was

the exploded parts diagram complete with a

parts list. The mechanically inclined can

repair this generator at home. The Champion

meets California clean air standards and gets

3 out of 10 on the green scale (0 is the

cleanest).

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