Wacker Neuson WM 80 Manuel de réparation

0162695en 003 06100162695ENRepair ManualEngineWM 80

Safety Information WM 8010 wc_si000509gb.fm1.2 Safety Guidelines for Operating the MachineOperator qualification

Carburetor Inspection and Adjustment WM 80 Repair100 wc_tx000522gb.fmSee Graphic: wc_gr002905Tillotson Single Ne

WM 80 Repair Carburetor Troubleshootingwc_tx000522gb.fm 1019 Carburetor Troubleshooting9.1 Troubleshooting Walbro Carburetors Problem Probable Cause

Carburetor Troubleshooting WM 80 Repair102 wc_tx000522gb.fm9.2 Troubleshooting Tillotson and Bing CarburetorsPro

WM 80 Repair Carburetor Troubleshootingwc_tx000522gb.fm 103 Engine runs rich. High-speed adjustment incor-rectReadjust the high speed.High-speed mixt

Disassembly and Assembly WM 80 Repair104 wc_tx000523gb.fm10 Disassembly and Assembly10.1 ToolsBecause all possib

WM 80 Repair Disassembly and Assemblywc_tx000523gb.fm 10510.3 Ordering PartsThe repair procedures contained in this manual do not include partnumbers.

Disassembly and Assembly WM 80 Repair106 wc_tx000523gb.fm10.6 Removing the WM 80 Engine from BS Rammers (auto-re

WM 80 Repair Disassembly and Assemblywc_tx000523gb.fm 107InstallationPerform the procedure below to install the engine.10.6.6 Install the engine (d) t

Disassembly and Assembly WM 80 Repair108 wc_tx000523gb.fm10.7 Removing Engine From BS Model Rammers (standard ch

WM 80 Repair Disassembly and Assemblywc_tx000523gb.fm 109wc_gr002935dabecd

WM 80 Safety Informationwc_si000509gb.fm 111.2.6 Never tamper with or disable the function of operating controls.1.2.7 Never use the choke to stop the

Disassembly and Assembly WM 80 Repair110 wc_tx000523gb.fm10.8 Removing Engine From BH 23 BreakersSee Graphic: wc

WM 80 Repair Disassembly and Assemblywc_tx000523gb.fm 111wc_gr002937abdecf

Disassembly and Assembly WM 80 Repair112 wc_tx000523gb.fm10.9 Removing ClutchSee Graphic: wc_gr002941This proced

WM 80 Repair Disassembly and Assemblywc_tx000523gb.fm 113wc_gr002941abc

Disassembly and Assembly WM 80 Repair114 wc_tx000523gb.fm10.10 WM 80 Exploded View 91011123214875674114131516171

WM 80 Repair Disassembly and Assemblywc_tx000523gb.fm 11510.11 WM 80 ComponentsSee Graphic: wc_gr002906Ref Description Ref Description1 Set-cylinder 2

Disassembly and Assembly WM 80 Repair116 wc_tx000523gb.fm10.12 WM 80 Cross Section wc_gr00292067109111213151612

WM 80 Repair Disassembly and Assemblywc_tx000523gb.fm 11710.13 WM 80 Cross Section ComponentsSee Graphic: wc_gr002920Ref Description Ref Description1

Disassembly and Assembly WM 80 Repair118 wc_tx000523gb.fm10.14 Vacuum Testing CylinderSee Graphic: wc_gr002940Th

WM 80 Repair Disassembly and Assemblywc_tx000523gb.fm 119wc_gr002940acdefb

Safety Information WM 8012 wc_si000509gb.fm1.3 Operator Safety while Using Internal Combustion EnginesOperating

Disassembly and Assembly WM 80 Repair120 wc_tx000523gb.fm10.15 Cylinder and Piston RemovalSee Graphic: wc_gr0029

WM 80 Repair Disassembly and Assemblywc_tx000523gb.fm 121bcfegdcwc_gr002907

Disassembly and Assembly WM 80 Repair122 wc_tx000523gb.fm10.16 Cylinder and Piston InspectionSee Graphic: wc_gr0

WM 80 Repair Disassembly and Assemblywc_tx000523gb.fm 123hwc_gr002908

Disassembly and Assembly WM 80 Repair124 wc_tx000523gb.fm10.17 Cylinder and Piston InstallationSee Graphic: wc_g

WM 80 Repair Disassembly and Assemblywc_tx000523gb.fm 1251234wc_gr002909cabedgfhi

Disassembly and Assembly WM 80 Repair126 wc_tx000523gb.fm10.18 Inspecting Connecting Rod and CrankshaftSee Graph

WM 80 Repair Disassembly and Assemblywc_tx000523gb.fm 127awc_gr002910bOKOK

Disassembly and Assembly WM 80 Repair128 wc_tx000523gb.fm10.19 Disassembling CrankcaseSee Graphic: wc_gr00291110

WM 80 Repair Disassembly and Assemblywc_tx000523gb.fm 129wc_gr002911abcefdgh

WM 80 Safety Informationwc_si000509gb.fm 13• Do not refuel if the machine is positioned in a truck fitted with a plastic bed liner. Static electricity

Disassembly and Assembly WM 80 Repair130 wc_tx000523gb.fm10.20 Assembling CrankcaseSee Graphic: wc_gr002912This

WM 80 Repair Disassembly and Assemblywc_tx000523gb.fm 131wc_gr002912feahgdabcafe

Disassembly and Assembly WM 80 Repair132 wc_tx000523gb.fm10.21 Crankshaft BearingsSee Graphic: wc_gr002913Press

WM 80 Repair Disassembly and Assemblywc_tx000523gb.fm 133acdwc_gr002913eb

Disassembly and Assembly WM 80 Repair134 wc_tx000523gb.fm10.22 Bearing InstallationSee Graphic: wc_gr002914This

Wacker Neuson SE · Preußenstraße 41 · D-80809 München · Tel.: +49-(0)89-3 54 02-0 · Fax: +49 - (0)89-3 54 0

Technical Data WM 80 Repair14 wc_td000166gb.fm2 Technical Data2.1 Engine Specifications Engine Model WM 80Type

WM 80 Repair Technical Datawc_td000166gb.fm 152.2 Tune-up Specifications * On models with adjustable air gap** Must be used on models with oil inject

Technical Data WM 80 Repair16 wc_td000166gb.fm2.3 Carburetor Specifications for Bing, and Tillotson (Standard**)

WM 80 Repair Technical Datawc_td000166gb.fm 17BS 500 7550Rev. 111–121Tillotson w/ idle bypass#36 #70 13 (0.512)BS 500 7550Rev. >121#36 #70 11 (0.

Technical Data WM 80 Repair18 wc_td000166gb.fm* Single-needle Tillotson carburetors only. Dual-needle Tillotson

WM 80 Repair Technical Datawc_td000166gb.fm 192.4 Operating and Idle Speeds Machine Idle speed ±100 rpm Full speed ±100 rpmBS 45Y 1800 4300BS 52Y 180

Copyright notice© Copyright 2010 by Wacker Neuson Corporation.All rights, including copying and distribution rights, are reserved.This publication may

Maintenance WM 8020 wc_tx000520gb.fm3 Maintenance3.1 Periodic Maintenance Schedule Daily After first 5 hoursEver

WM 80 Maintenancewc_tx000520gb.fm 213.2 StorageIf storing the unit for a long period of time (more than 30 days) carryout the following:3.2.1 Drain fu

Maintenance WM 8022 wc_tx000520gb.fm3.4 Cartridge-Type Air FilterSee Graphic: wc_gr0028753.4.1 This type of air

WM 80 Maintenancewc_tx000520gb.fm 233.5 Disc-Type Air FilterSee Graphic: wc_gr002876The disc-type air filter with oil-wetted foam precleaner is used o

Maintenance WM 8024 wc_tx000520gb.fm3.6 Low-Maintenance Air FilterSee Graphic: wc_gr002877This type of air filte

WM 80 Maintenancewc_tx000520gb.fm 25 3.7 Dual-Element Air CleanerSee Graphic: wc_gr000046NEVER use gasoline or other types of low flash-point solvent

Maintenance WM 8026 wc_tx000520gb.fm3.8 Three-Stage Air CleanersSee Graphic: wc_gr001168NEVER use gasoline or ot

WM 80 Maintenancewc_tx000520gb.fm 27wc_gr001168abcdkih

Maintenance WM 8028 wc_tx000520gb.fm3.9 Engine CleaningThe WACKER WM 80 engine is air cooled and depends on thec

WM 80 Maintenancewc_tx000520gb.fm 293.11.3 Clean the exhaust port using a blunt scraper. Inspect the gasket (3, 4)and replace it if torn or cracked.3.

Forewordwc_tx001528gb.fm 3ForewordMachine documentation Keep a copy of the Operator’s Manual with the machine at all times.  Use the separate Parts

Maintenance WM 8030 wc_tx000520gb.fm3.12 Fuel FilterSee Graphic: wc_gr002879Dirt is the primary cause of carbure

WM 80 repair Starting and Ignitionwc_tx000521gb.fm 314 Starting and Ignition4.1 Starter Assembly Exploded ViewSee Graphic: wc_gr002880 Ref Descriptio

Starting and Ignition WM 80 repair32 wc_tx000521gb.fm4.2 Disassembling the StarterSee Graphic: wc_gr0028804.2.1

WM 80 repair Starting and Ignitionwc_tx000521gb.fm 334.4 Assembling the StarterSee Graphic: wc_gr002880 and wc_gr0028814.4.1 Clean all the components

Starting and Ignition WM 80 repair34 wc_tx000521gb.fm4.5 Replacing the Starter RopeSee Graphic: wc_gr002882The s

WM 80 repair Starting and Ignitionwc_tx000521gb.fm 35wc_gr002882adebc

Starting and Ignition WM 80 repair36 wc_tx000521gb.fm4.6 Ignition System Diagram wc_gr002883afeaa aaagcdbSN

WM 80 repair Starting and Ignitionwc_tx000521gb.fm 374.7 Ignition System OperationSee Graphic: wc_gr002883The ignition system consists of the ignition

Starting and Ignition WM 80 repair38 wc_tx000521gb.fm4.8 Checking SparkRemove the spark plug and inspect the ele

WM 80 repair Starting and Ignitionwc_tx000521gb.fm 39• Poor wire connections• Defective stop switch• Incorrect air gap• Weak or dead flywheel magnet•

Foreword4 wc_tx001528gb.fm

Starting and Ignition WM 80 repair40 wc_tx000521gb.fm4.10 Setting Air GapSee Graphic: wc_gr002885Newer engines u

WM 80 repair Starting and Ignitionwc_tx000521gb.fm 41wc_gr002885SNdacb

Starting and Ignition WM 80 repair42 wc_tx000521gb.fm4.11 Replacing the Ignition ModuleSee Graphic: wc_gr002886R

WM 80 repair Starting and Ignitionwc_tx000521gb.fm 43 wc_gr002886adffekcgihjb

Starting and Ignition WM 80 repair44 wc_tx000521gb.fmSee Graphic: wc_gr002887Installation:4.11.12 Apply a light

WM 80 repair Starting and Ignitionwc_tx000521gb.fm 45wc_gr002887keabjfnolhgmdcib

Carburetor Basics WM 80 Repair46 wc_tx000522gb.fm5 Carburetor Basics5.1 Brands UsedSee Graphic: wc_gr005089Three

WM 80 Repair Carburetor Basicswc_tx000522gb.fm 475.2 Walbro Carburetor OperationFuel PumpThe fuel pump is made up of a diaphragm (a) and a series of c

Carburetor Basics WM 80 Repair48 wc_tx000522gb.fmFuel MeteringThere are four components of the fuel metering sys

WM 80 Repair Carburetor Basicswc_tx000522gb.fm 49Start upA rich fuel-to-air mixture is required at startup because of the lowercranking speed (compare

WM 80 Table of Contentswc_br0162695en_003TOC.fm 5Foreword 31 Safety Information 91.1 Signal Words Used in this Manual ...

Carburetor Basics WM 80 Repair50 wc_tx000522gb.fmIdleOnce the engine starts, the choke (a) is opened and the thr

WM 80 Repair Carburetor Basicswc_tx000522gb.fm 51Partial Throttle OperationAt partial throttle, the choke (a) remains in the open position and thethro

Carburetor Basics WM 80 Repair52 wc_tx000522gb.fmWide-Open Throttle OperationAt wide-open throttle, the choke (a

WM 80 Repair Carburetor Basicswc_tx000522gb.fm 53Air Purge SystemThe Walbro carburetor has an air purge system. The air purge systemremoves air from t

Carburetor Basics WM 80 Repair54 wc_tx000522gb.fm5.3 Versions of Tillotson CarburetorSee Graphic: wc_gr0028891)

WM 80 Repair Carburetor Basicswc_tx000522gb.fm 555.4 Tillotson Carburetor OperationSee Graphic: wc_gr002891Fuel Pump:The Tillotson carburetor uses a f

Carburetor Basics WM 80 Repair56 wc_tx000522gb.fmSee Graphic: wc_gr002892Inlet Needle Valve:The inlet needle val

WM 80 Repair Carburetor Basicswc_tx000522gb.fm 57See Graphic: wc_gr002893Start-up mode (choke):During cold start-up, the choke shutter (butterfly) (k)

Carburetor Basics WM 80 Repair58 wc_tx000522gb.fmIn single-needle versions (2), the throttle shutter does not op

WM 80 Repair Carburetor Basicswc_tx000522gb.fm 59See Graphic: wc_gr002895Partial Throttle:At partial throttle, the throttle shutter is partially opene

Table of Contents WM 806 wc_br0162695en_003TOC.fm4.3 Inspecting the Starter ...

Carburetor Basics WM 80 Repair60 wc_tx000522gb.fmSee Graphic: wc_gr002896Full Throttle:The wider the throttle sh

WM 80 Repair Carburetor Basicswc_tx000522gb.fm 615.5 Bing Carburetor OperationSee Graphic: wc_gr002897Fuel Feed:The Bing carburetor does not use a fue

Carburetor Basics WM 80 Repair62 wc_tx000522gb.fmPartial Throttle:At partial throttle, the throttle shutter is p

WM 80 Repair Carburetor Basicswc_tx000522gb.fm 63Notes

Carburetor Basics WM 80 Repair64 wc_tx000522gb.fm5.6 Carburetor AdaptersSee Graphic: wc_gr007414The function of

WM 80 Repair Carburetor Basicswc_tx000522gb.fm 65ddddd123e4fg56hwc_gr007414

Carburetor Replacement WM 80 Repair66 wc_tx000522gb.fm6 Carburetor Replacement6.1 Replacing the Walbro Carbureto

WM 80 Repair Carburetor Replacementwc_tx000522gb.fm 67Continued from the previous page.6.1.7 Have a container ready, then remove the oil hose (h) and

Carburetor Replacement WM 80 Repair68 wc_tx000522gb.fmInstallationPerform the procedure below to install the car

WM 80 Repair Carburetor Replacementwc_tx000522gb.fm 696.1.4 Slide the throttle cable (e) through the adapter (f) and reconnect it to the clamp (d).6.1

WM 80 Table of Contentswc_br0162695en_003TOC.fm 77.9 Bing Carburetor Exploded View ... 947.10 Bi

Carburetor Replacement WM 80 Repair70 wc_tx000522gb.fm6.2 Removing Walbro Carburetor (standard choke models)6.2.

WM 80 Repair Carburetor Replacementwc_tx000522gb.fm 71Notes

Carburetor Replacement WM 80 Repair72 wc_tx000522gb.fm6.3 Removal, Tillotson with composite adapterSee Graphic:

WM 80 Repair Carburetor Replacementwc_tx000522gb.fm 73 defgwc_gr002929imcabedfghmjkli

Carburetor Replacement WM 80 Repair74 wc_tx000522gb.fm6.4 Tillotson with Straight-Through AdaptersSee Graphic: w

WM 80 Repair Carburetor Replacementwc_tx000522gb.fm 756.6 BingSee Graphic: wc_gr0029006.6.1 Turn off the fuel valve at the tank and disconnect the spa

Carburetor Overhaul WM 80 Repair76 wc_tx000522gb.fm7 Carburetor Overhaul7.1 Walbro Carburetor Exploded View (aut

WM 80 Repair Carburetor Overhaulwc_tx000522gb.fm 777.2 Walbro Carburetor Components (auto-release choke models)Ref Description Ref Description1 Screw

Carburetor Overhaul WM 80 Repair78 wc_tx000522gb.fm7.3 Rebuilding the Walbro Carburetor (auto-release choke mode

WM 80 Repair Carburetor Overhaulwc_tx000522gb.fm 797.3.7 Remove the shutter (l) (butterfly).7.3.8 Remove the screw (m), lever (n), washer (o), and spa

Table of Contents WM 808 wc_br0162695en_003TOC.fm10.21 Crankshaft Bearings ...

Carburetor Overhaul WM 80 Repair80 wc_tx000522gb.fm7.3.13 Non-EPA regulated countries only. Remove the high- and

WM 80 Repair Carburetor Overhaulwc_tx000522gb.fm 81Reassembly7.3.1 Align the hole in the main nozzle (zz) with the passage of the high-speed needle. P

Carburetor Overhaul WM 80 Repair82 wc_tx000522gb.fmContinued from the previous page.7.3.7 Install the shutter (t

WM 80 Repair Carburetor Overhaulwc_tx000522gb.fm 83Continued from the previous page.7.3.12 Install the screw (j), metering lever (h), pin (k), spring

Carburetor Overhaul WM 80 Repair84 wc_tx000522gb.fm7.4 Walbro Carburetor Exploded View (standard choke models)wc

WM 80 Repair Carburetor Overhaulwc_tx000522gb.fm 857.5 Walbro Carburetor Components (standard choke models)Ref Description Ref Description1 Screw 20 B

Carburetor Overhaul WM 80 Repair86 wc_tx000522gb.fm7.6 Rebuilding the Walbro Carburetor (standard choke models)D

WM 80 Repair Carburetor Overhaulwc_tx000522gb.fm 877.6.7 Remove the shutter (l) (butterfly).7.6.8 Remove the choke shaft (m) and spacer (n). Also remo

Carburetor Overhaul WM 80 Repair88 wc_tx000522gb.fm7.6.13 Non-EPA regulated countries only. Press out the main

WM 80 Repair Carburetor Overhaulwc_tx000522gb.fm 897.6.4 Install the spring (v) to the throttle shaft (u). Install the throttle shaft into the carbure

WM 80 Safety Informationwc_si000509gb.fm 91 Safety Information1.1 Signal Words Used in this ManualThis manual contains DANGER, WARNING, CAUTION, NOTIC

Carburetor Overhaul WM 80 Repair90 wc_tx000522gb.fmContinued from the previous page.7.6.5 Install the washer (s)

WM 80 Repair Carburetor Overhaulwc_tx000522gb.fm 91Continued from the previous page.7.6.10 Install the combination valve (e). Install the air purge bo

Carburetor Overhaul WM 80 Repair92 wc_tx000522gb.fm7.7 Tillotson Carburetor Exploded View wc_gr0029011234654089

WM 80 Repair Carburetor Overhaulwc_tx000522gb.fm 937.8 Tillotson ComponentsSee Graphic: wc_gr002901Ref Description Ref Description1 Screw 23 Control l

Carburetor Overhaul WM 80 Repair94 wc_tx000522gb.fm7.9 Bing Carburetor Exploded View wc_gr002902123456789111938

WM 80 Repair Carburetor Overhaulwc_tx000522gb.fm 957.10 Bing Carburetor ComponentsSee Graphic: wc_gr002902Ref Description Ref Description1 Retaining r

Carburetor Inspection and Adjustment WM 80 Repair96 wc_tx000522gb.fm8 Carburetor Inspection and Adjustment8.1 In

WM 80 Repair Carburetor Inspection and Ad-wc_tx000522gb.fm 978.2 Adjusting the Inlet Control LeverSee Graphic: wc_gr002903Walbro:Use the special tool

Carburetor Inspection and Adjustment WM 80 Repair98 wc_tx000522gb.fm8.3 Carburetor AdjustmentsWalbro:Procedures

WM 80 Repair Carburetor Inspection and Ad-wc_tx000522gb.fm 99See Graphic: wc_gr002904Tillotson Dual Needle:Both high- and low-speed mixture adjustment