Stihl 4180 Series Service Manual

Series 4180 Powerhead42
16.1 Special Servicing Tools, Servicing Aids
– Pump – 0000 850 1300
– Sealing plate – 0000 855 8106
– Jaws (profile No. 3.1) – 0000 893 3706
– Socket, T27x125 – 0812 542 2104
– Assembly drift – 1108 893 4700
– Assembly drift – 1110 893 4700
– Assembly drift – 1114 893 4700
– Press sleeve – 4112 893 2401
– Retainer – 4180 890 8600
– Locking screw – 4282 890 2700
– Leakage tester – 5910 850 0300
– Compression tester – 5910 850 2000
– Flange – 5910 850 4200
– Torque wrench – 5910 890 0302
– Installing tool 8 – 5910 890 2208
– Installing tool 9 – 5910 890 2209
– Screwdriver, T27x200 – 5910 890 2415
– Puller – 5910 890 4400
– STIHL multipurpose grease – 0781 120 1110
– Dirko HT red sealant – 0783 830 2000
– Standard commercial solvent-based degreasant
containing no chlorinated or halogenated
hydrocarbons
16.2 Testing Engine for Leaks
Preparations
N Remove the shroud, @ 4.2.
N Remove filter housing and carburetor, @ 10.2.
N Loosen the muffler screws, @ 14.2
N Slide the sealing plate 0000 855 8106 (20) between
the exhaust port and muffler so that it completely fills
the space between the two upper screws on the
muffler.
N Tighten down the muffler screws.
N Push the gasket (21) onto the spacer flange.
16 Powerhead
10
11
5
1
2
12
14
8 D5x24 (9,0 Nm / 80 lbf. in.)
D5x24 (9,0 Nm / 80 lbf. in.) 8
4
5
6
7
3
M8x1
(17 Nm / 150 lbf. in.)
13 M10x1 (12 Nm / 106 lbf. in.)
0000-GXX-2321-A0
Interactive video "Engine Leakage Test"
21
23
24
22
20
25
0000-GXX-2313-A0

Stihl 4180 Series Specifications

General

Brand	Stihl
Model	4180 Series
Category	Engine
Language	English