1970 CCW 340 Service Manual - Vintage Snow

More documents

Recommendations

Info

TABLE 2-1Trouble<strong>Manual</strong> starterrope comes out butpawls don't engage.<strong>Manual</strong> starter ropedoesn't return.Electric starterinoperativeHard to startor won't startImpossible to adjustidleTROUBLE SHOOTING CHARTProbable Cause1. Lack of friction platereturn spring action.2. Defective pawls.1. Recoil spring broken or bent2. Pulley housing warped or bent3. Starting pulley worn.1. Loose electrical connections.2. Poor ground3. Faulty battery or circuits.4. Faulty electric starter1. Carburetor adjustments toolean (not allowing enough gasto engine).2. Inoperative diaphragm orflappervalve.3. Engine not being choked to start4. Spark plugs improperly gapped,dirty or broken.5. Magneto breaker points improperlygapped or dirty.6. Head gasket blown or leaking7. Empty gas tank or improper fuelmixture.8. Water in fuel system9. Weak coil or condenser10. Obstructed fuel system11. Air leak in crankcase or inletsystem.12. Primarywirebroken.13. Engine not timed properly.14. Secondary wire not connectedor spark plug protector notinstalled properly.1. Spark retarding mechanism notworking properly.2. Pistons or rings worn.3. Faulty carburetor2-16Remedy1. Check friction plate returnspring.Replace spring as required.2. Check for broken or bentpawls. Replace pawls asrequired.1. Replace spring.2. Replace housing.3. Replace pulley.1. Retighten connections.2. Secure ground connection.3. Check, recharge or replacebattery.4. Check starter solenoid.Repair or replace.5. Inspect starter motor for evidenceof moisture and broken or wornbrushes. Dry out as necessary.Replace brushes as required.6. Check starter switch. Replaceif required.7. Check harness or connector forbroken wire. Repair or replace.1. Adjust carburetor. Referto Manufacturer's Specifications.2. Refer to Manufacturer'sSpecifications.3. Ensure choke is fully closed.4. Remove plugs. Clean, adjust orinstall new plugs.5. Clean, adjust or replace points.6. Replace gasket7. Refill tank with specifiedfuel/oil mixture (See Table 1-1).8. Drain fuel from carburetor. Addcarburetor de-icer as requiredto fuel.9. Replace faulty coil orcondenser10. Disconnect fuel lines-clearobstruction. Flush system.Connect fuel lines.11 . Check crankcase pressureTable 3-1.12. Repair or replace primaryw1re.13. Re-time engine to properspecifications.14. Secure secondary wire orspark plug protector.1. Repair retard mechanism2. Replace as necessary.3. Check carburetor, check valve.Refer to Manufacturer's Specifications.
corTABLE 2.1TROUBLE SHOOTING CHARTMissing at low speed 1. Incorrect carburetor idle 1. Adjust idle - Refer towon't idle smoothly adjustment. Manufacturer's Specifications.or slowly 2. Spark plugs improperly gapped 2. Clean, adjust or installor dirty.new plugs.3. Head gasket blown or leaking 3. Replace gasket.4. Loose or broken magneto wires 4. Repair or replace wires.5 Magneto breaker points 5. Adjust, clean or installimproperly gapped or dirty.new points.6 Weak coil or condenser 6. Replace coil or condenser7. Improper fuel mixture 7. Refuel, using specified( 1) Too much oil fuel/oil mixture (See Table 1-1 ).(2) Too little oil8. Leaking crankshaft seal 8. Replace seal.cMissing at high speed 1. Spark plugs improperly gapped 1. Clean, adjust or install newor intermittent spark. or dirty plugs.2. Loose or broken magneto wi res. 2. Repair or replace wires.3. !Magneto breaker points improperly 3. Clean, adjust or installgapped or dirty.new points.4. Weak coli or condenser 4. Replace coi l or condenser5. Heat range of spark pl ug 5. Instal l specified spark plugs.mcorrect.6. Leakmg head gasket. 6. Replace head gasket.7. Engine improperly timed . 7. Re-time engine.Coughs, spits, slows 1.1dleorhighspeedjets 1 to 5.down, surges too lean. Adjust carburetor or fuel pump.2. Leaking gasket flange. Refer to Manufactu rer's Specifications.3 Inlet control lever settoo low4. Pulsalion line obstructed5 Fuel pump not supplying enoughfuel due to:( 1) Punciured diaphragm(2) Inoperative i lapper valve.6. Crankca::e not properly seal ed. 6. Reseal crankcase.7. Idle or main carburetor nozzle 7. Refer to Manufacturer'sobstructed.Specifications.8. Fuel line obstructed. 8. Remove fuel line. Clearobstruction. Replace line.9. Carburetor inlet needle and 9. Refer to Manufacturer'sseat obstructed .Specifications.10. Welch plug leaking. 10. Refer to Manufacturer'sSpecifications.Overheating 1. Carbu 1etor too lean 1. & 2. Adjust carburetor.2 Carburetor too rich Refer to Manufacturer'sSpecifications.3 lnconect t:ming 3. Retime engine to Specifications.4. Too much carbon 4. Remove cylinder heads. Cleantop of pistons and insidecompression chamber. Clean outexhaust port.5. Spark plug too hot 5. Instal l specified spark plugs.6 Air deflector not Installed 6. Install air deflector.7. A1r leak in manifo ld 7. Tighten nuts or change gaskets.8. Crank case seal leaking 8. Fit new seal.Vibrates excessively or 1. Idle or high speed carbureto r 1. to 5. Adjust carbureto r. Referruns rough and smokes. adjustmenl too rich. to Manufacturer's Specifications.2. Choke not opening properly(bent linkage).2-17}'
Page 1 and 2: TECHNICALSERVICE MANUALOPERATION, S
Page 3 and 4: •• • 5-10LIST OF ILLUSTRATION
Page 5 and 6: cSECTION 1INTRODUCTION AND TECHNICA
Page 7 and 8: CCWTOOLLIST43-0797-60REWIND SPRING
Page 9 and 10: TABLE OF CONTENTSSECTIONPAGEINTRODU
Page 11 and 12: -SECTION 1INTRODUCTION AND TECHNICA
Page 13 and 14: CCWTOOL LISTc43-0797-60REWIND SPRIN
Page 15 and 16: SECTION ncOPERATION AND SERVICE INS
Page 17 and 18: -IcPOINTSErL.T.COILTO1-IGNITION1 -S
Page 19 and 20: II~I I~I .I~I IFig. 2-4340 S-G400 S
Page 21 and 22: 2. Two Headlamps 12V35W - Two Tail
Page 23 and 24: • Ic--p·- -~ ~~, · .: :' . ...i
Page 25 and 26: ( } ( ' rTO PO INTS-,IIITOICrN ITIO
Page 27 and 28: l-ITo I GN Iii ON COILS~--------r--
Page 29: )----,---------l;;-----------------
Page 33 and 34: TABLE 2.1TROUBLE SHOOTING CHART3. F
Page 35 and 36: SECTION mccDISASSEMBLY, CLEANING AN
Page 37 and 38: Fig. 3-4 Starter cup and fan belt p
Page 39 and 40: ccStator a·ssemblyi ------Fig. 3-8
Page 41 and 42: cco. Refer to Section IV, Figure 4-
Page 43 and 44: cserviceable condition, the condens
Page 45 and 46: SECTION 1VQREPAIR AND REPLACEMENTcc
Page 47 and 48: 61. Starter pulley 12. Case2. Retai
Page 49 and 50: c--·-reel in an anti-clockwise dir
Page 51 and 52: 22526 27-~~ ,~--! 1424 ~ ~~12fill @
Page 53 and 54: c1. Crankshaft ass'y 8. Piston ring
Page 55 and 56: SECTION VREASSEMBLY, TESTING AND AD
Page 57 and 58: ccrankcase to steady the piston. Us
Page 59 and 60: c5.2.5 Stator Assembly (See Figure
Page 61 and 62: cb. If a window plate was removed d
Page 63 and 64: cFig. 5·14Setting Engine Ign ition
Page 65 and 66: c' ~

1970 CCW 340 Service Manual - Vintage Snow

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?