Summary of WM 650
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Engine wm 650 wm 720 operator’s manual 0163728en 002 0807 0 1 6 3 7 2 8 e n.
Page 3: Wm 650 / Wm 720
Wm 650 / wm 720 table of contents 3 1. Foreword 4 2. Emission control system information 5 3. Safety information 16 3.1 laws pertaining to spark arresters .................................................... 16 3.2 operating safety .......................................................................
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Wc_tx000001gb.Fm 4 california proposition 65 warning: engine exhaust, some of its constituents, and certain vehicle components, contain or emit chemicals known to the state of california to cause cancer and birth defects or other reproductive harm. 1. Foreword this manual provides information and pr...
Page 5: Wm 650 / Wm 720
Emission control system information wm 650 / wm 720 wc_tx000239gb.Fm 5 2. Emission control system information source of emissions the combustion process produces carbon monoxide, oxides of nitrogen, and hydrocarbons. Control of hydrocarbons and oxides of nitrogen is very important because, under cer...
Page 6: Wm 650 / Wm 720
Wm 650 / wm 720 emission control system information wc_tx000239gb.Fm 6 replacement parts the emission control systems on your wacker engine were designed, built, and certified to conform with epa and california emissions regulations. We recommend the use of genuine wacker parts whenever you have mai...
Page 7: Wm 650 / Wm 720
Emission control system information wm 650 / wm 720 wc_tx000239gb.Fm 7 methanol - (methyl or wood alcohol) 5% by volume. You may use gasoline containing up to 5% methanol by volume, as long as it contains cosolvents and corrosion inhibitors to protect the fuel system. Gasoline containing more than 5...
Page 8: Wm 650 / Wm 720
Wm 650 / wm 720 emission control system information wc_tx000239gb.Fm 8 emissions component defect warranty coverage this emission warranty is applicable in all states, except the state of california. Wacker corporation, n92 w15000 anthony avenue, menomonee falls, wi 53051-1504, (herein "wacker") war...
Page 9: Wm 650 / Wm 720
Emission control system information wm 650 / wm 720 wc_tx000239gb.Fm 9 parts covered listed below are the parts covered by the emission components defect warranty. Some of the parts listed below may require scheduled maintenance and are warranted up to the first scheduled replacement point for that ...
Page 10: Wm 650 / Wm 720
Wm 650 / wm 720 emission control system information wc_tx000239gb.Fm 10 obtaining warranty service to obtain warranty service, take your engine to the nearest authorized wacker service dealer. Bring your sales receipts indicating date of purchase for this engine. The service dealer authorized by wac...
Page 11: Wm 650 / Wm 720
Emission control system information wm 650 / wm 720 wc_tx000239gb.Fm 11 things you should know about the emission control system warranty: maintenance and repairs you are responsible for the proper maintenance of the engine. You should keep all receipts and maintenance records covering the performan...
Page 12: Wm 650 / Wm 720
Wm 650 / wm 720 emission control system information wc_tx000239gb.Fm 12 your emission control system may include parts such as the carburetor or fuel-injection system, fuel lines and the ignition system. Also included may be hoses, clamps, connectors and other associated components. Where a warranta...
Page 13: Wm 650 / Wm 720
Emission control system information wm 650 / wm 720 wc_tx000239gb.Fm 13 general emissions warranty coverage - california only - wacker warrants to the ultimate purchaser and each subsequent purchaser that this small off-road engine (1) has been designed, built and equipped so as to conform with all ...
Page 14: Wm 650 / Wm 720
Wm 650 / wm 720 emission control system information wc_tx000239gb.Fm 14 7) wacker is liable for damages to other engine components proximately caused by a failure under warranty of any warranted part. 8) throughout the engine warranty period stated above, wacker will maintain a supply of warranted p...
Page 15: Wm 650 / Wm 720
Emission control system information wm 650 / wm 720 wc_tx000239gb.Fm 15 c. Warranted parts: the repair or replacement of any warranted part otherwise eligible for warranty coverage may be excluded from such warranty coverage if wacker demonstrates that the engine has been abused, neglected, or impro...
Page 16: Wm 650 / Wm 720
Wm 650 / wm 720 safety information wc_si000191gb.Fm 16 3. Safety information this manual contains danger, warning, caution, notice and note callouts which must be followed to reduce the possibility of personal injury, damage to the equipment, or improper service. This is the safety alert symbol. It ...
Page 17: Safety Information
Safety information wm 650 / wm 720 wc_si000191gb.Fm 17 3.2 operating safety familiarity and proper training are required for the safe operation of equipment! Equipment operated improperly or by untrained personnel can be dangerous! Read the operating instructions contained in this manual and familia...
Page 18: Wm 650 / Wm 720
Wm 650 / wm 720 safety information wc_si000191gb.Fm 18 3.3 operator safety while using internal combustion engines internal combustion engines present special hazards during operation and fueling! Read and follow all warning instructions and safety guidelines in this manual. Failure to follow warnin...
Page 19: Safety Information
Safety information wm 650 / wm 720 wc_si000191gb.Fm 19 3.4 service safety a poorly maintained machine can become a safety hazard! In order for the machine to operate safely and properly over a long period of time, periodic maintenance and occasional repairs are necessary. 3.4.1 do not attempt to cle...
Page 20: Wm 650 / Wm 720
Wm 650 / wm 720 safety information wc_si000191gb.Fm 20 3.5 safety labels wacker machines use international pictorial labels where needed. These labels are described below: label meaning read the operator's manual for machine infor- mation. Warning! Hot surface! Danger! Engines emit carbon monoxide; ...
Page 21: Operation
Operation wm 650 / wm 720 wc_tx000655gb.Fm 21 4. Operation 4.1 recommended fuel the engine requires regular grade unleaded gasoline. Use only fresh, clean gasoline. Gasoline containing water or dirt will damage fuel system. Consult engine owner’s manual for complete fuel specifications. 4.2 before s...
Page 22: Wm 650 / Wm 720
Wm 650 / wm 720 maintenance wc_tx000656gb.Fm 22 5. Maintenance 5.1 periodic maintenance schedule (wm 650) * service more frequently in dusty conditions. Wacker daily before starting after first 20 hrs. Every 50 hrs. Every 200 hrs. Every 500 hrs. Check fuel level. Check engine oil level. Inspect air ...
Page 23: Maintenance
Maintenance wm 650 / wm 720 wc_tx000656gb.Fm 23 5.2 periodic maintenance schedule (wm 720) * service more frequently in dusty conditions. Wacker daily before starting after first 20 hrs. Every 50 hrs. Every 100 hrs. Every 200 hrs. Every 500 hrs. Check fuel level. Check engine oil level. Clean engine...
Page 24: Wm 650 / Wm 720
Wm 650 / wm 720 maintenance wc_tx000656gb.Fm 24 5.3 spark plug see graphic: wc_gr000028 clean or replace spark plug as needed to ensure proper operation. The muffler becomes very hot during operation and remains hot for a while after stopping the engine. Do not touch the muffler while it is hot. Not...
Page 25: Maintenance
Maintenance wm 650 / wm 720 wc_tx000656gb.Fm 25 5.4 engine oil and filter see graphic: wc_gr004396 drain the oil while the engine is still warm. To drain oil: 5.4.1 remove the filler cap (a) and drain cap (d). Drain oil into a suitable container. Note: in the interests of environmental protection, p...
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Wm 650 / wm 720 maintenance wc_tx000656gb.Fm 26 5.5 air cleaner see graphic: wc_gr003002 never use gasoline or other types of low flash-point solvents for cleaning the air cleaner. A fire or explosion could result. Notice: never run the engine without the air cleaner. Severe engine damage will occur...
Page 27: Maintenance
Maintenance wm 650 / wm 720 wc_tx000656gb.Fm 27 5.6 storage if unit is to be stored for more than 30 days: 5.6.1 drain fuel from tank. Start engine and run until remaining fuel is used. 5.6.2 change engine oil. 5.6.3 remove spark plugs and pour approximately 3 ml (1 ounce) of sae 30w oil into each e...
Page 28: Wm 650 / Wm 720
Wm 650 / wm 720 technical data 28 6. Technical data wm 650 wm 720 engine engine type type 4-stroke, 2 cylinder, air cooled engine make type wacker rated power kw (hp) 12.3 (16.5) @ 3100 rpm 15.3 (20.5) @ 3600 rpm 18.6 (25.0) @ 3600 rpm displacement cm³ (in³) 653 (39.9) 720 (44) spark plug ngk-bp6es ...
Page 29: Maintenance
Maintenance wm 650 2 9 notes.
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Wacker construction equipment ag · preußenstraße 41 · d-80809 münchen · tel.: +49-(0)89-3 54 02 - 0 · fax: +49 - (0)89-3 54 02-3 90 wacker corporation · p.O. Box 9007 · menomonee falls, wi 53052-9007 · tel. : (262) 255-0500 · fax: (262) 255-0550 · tel. : (800) 770-0957 wacker asia pacific operations...