Stihl MS 441 User Manual

2 MS 441, MS 441 C
Contents
14. Fuel system 95
14.1 Air filter 95
14.1.1 Baffle 96
14.1.2 Filter base 96
14.2 Spacer flange 98
14.3 Carburetor removal
and installation 99
14.3.1 Leakage testing 100
14.4 Carburetor repair 100
14.4.1 Air flap 100
14.4.2 Metering diaphragm 101
14.4.3 Inlet needle 102
14.4.4 Fixed jet 103
14.4.5 Pump diaphragm 104
14.4.6 Choke shaft /
choke shutter 105
14.4.7 Throttle shaft /
throttle shutter 107
14.4.8 Accelerator pump 109
14.4.9 Adjusting screws 109
14.5 Carburetor
adjustment 111
14.5.1 Basic setting 111
14.5.2 Standard setting 112
14.6 Throttle cable 113
14.6.1 Carburetor support 114
14.6.2 Carburetor housing 116
14.6.3 Intake elbow, removal
and installation 119
14.6.4 Impulse hose 119
14.7 Tank vent 120
14.7.1 Check 120
14.7.2 Removal and
installation 121
14.8 Fuel intake 121
14.8.1 Pick-up body 121
14.8.2 Fuel hoses 122
14.8.3 Fuel filler cap 123
14.8.4 Tank housing, removal
and installation 124
15. Heating 124
15.1 Carburetor heating 124
15.2 Troubleshooting chart,
carburetor heating
element 128
15.3 Handle heating
systems 129
15.3.1 Troubleshooting 129
15.4 Heating switch, removal
and installation 130
15.5 Heating element in
handle, removal and
installation 131
15.6 Heating element in
front handle, removal
and installation 131
15.7 Generator, removal
and installation 131
15.7.1 Troubleshooting chart,
handle heating systems
and generator 133
15.7.2 Summary of test
connections and test
values 135
15.8 Wiring harness 137
15.8.1 Removal 137
15.8.2 Installation 138
16. Special tools 141
17. Servicing
accessories 143

Stihl MS 441 Specifications

General

Displacement	70.7 cc
Weight	6.6 kg
Fuel Capacity	0.78 L
Chain Oil Capacity	0.36 l
Oil Capacity	0.36 l
Oil tank volume	0.36 l
Chain pitch	3/8"