Stihl MS 390 User Manual

79MS 290, MS 310, MS 390
12. Special Servicing Tools
No. Part Name Part No. Application Rem.
1 Locking strip 0000 893 5903 Blocking the crankshaft
2 Sealing plate 0000 855 8106 Sealing exhaust port
3 Wooden assembly block 1108 893 4800 Fitting piston
4 Clamping strap 1127 893 2601 Compressing piston rings
5 Test flange 1128 850 4200 Leakage test
6 Hook 5910 890 2800 Detaching clutch springs
7 Carburetor and crankcase
tester
1106 850 2905 Testing crankcase and carburetor
for leaks
8 Vacuum pump 0000 850 3501 Testing crankcase for leaks,
checking tank vent
9 - Nipple 0000 855 9200 Testing carburetor for leaks
10 - Fuel line 1110 141 8600 Testing carburetor for leaks
11 Press sleeve 1122 893 4600 Installing oil seal
12 Puller 5910 890 4400 Removing oil seals
13 - Jaws (No. 3.1 + 4) 0000 893 3706 Removing oil seal(s)
14 Sleeve 1127 851 8300
15 Press sleeve 1127 893 2400 Installing oil seals
16 Assembly drift 1110 893 4700 Removing and installing piston pin
17 Ignition system tester ZAT 4 5910 850 4503
18 Ignition system tester ZAT 3 5910 850 4520
19 Installing tool 12 5910 890 2212 Fitting hookless snap rings in piston
20 Stud puller M8 5910 893 0501 Removing bar mounting studs
21 Installing tool 1116 893 4800 Rewinding the rewind spring
22 Setting gauge 1111 890 6400 Setting air gap between ignition module
and flywheel
23 Hook 5910 893 8800 Removing pickup body
24 Assembly stand 5910 890 3100 Holding saw for servicing/repairs
25 Puller 1116 893 0800 Removing flywheel
26 Assembly tube 1117 890 0900 Detaching and attaching brake spring
27 Installing tool 0000 890 2201 Flaring rope guide bushing
28 Torque wrench 5910 890 0301 0.5 to 18 Nm
Alternative: Torque wrench
5910 890 0302 with optical/acoustic
signal
29 Torque wrench 5910 890 0311 6 to 80 Nm
Alternative: Torque wrench
5910 890 0312 with optical/acoustic
signal

Stihl MS 390 Specifications

General

Brand	Stihl
Model	MS 390
Category	Chainsaw
Language	English