Stihl BR 800 Service Manual

BR 800 23
9.1 Special Servicing Tools, Servicing Aids
– Pump – 0000 850 1300
– Nipple – 0000 855 9200
– Screwdriver – 0000 890 2300 or equivalent
– MDG 1 analyzer – 5910 840 0210
– Tachometer, EDT 8 – 5910 850 1009
– Screwdriver – 5910 890 2307
– Screwdriver, T8 – 5910 890 2310
– Hose, 135mm – 1110 141 8600
– Scriber
– Screwdriver, PH1x80 mm
– Pin punch, 6 mm
– STIHL OH 723 press fluid – 0781 957 9000
– Loctite 242 (medium-strength threadlocking
adhesive) – 0786 111 2101
9.2 Testing Carburetor for Leaks
N Remove the carburetor, @ 8.2.
N Open the tank cap and close it again.
Pressure is equalized.
N Pull hose off carburetor’s fuel stub (10).
N Push the 135mm hose 1110 141 8600 (46) onto the
carburetor’s fuel stub (10).
N Fit nipple 0000 855 9201 (45) in the 135mm
hose 1110 141 8600 (46).
N Connect hose from pump 0000 850 1300 (43) to
nipple 0000 855 9201 (45).
N Push ring (44) of pump 0000 850 1300 (43) in
direction of pump’s handle (over-pressure).
N Operate the pump 0000 850 1300 (43) until pressure
of 0.8 bar (11.6 psi) is indicated.
If the indicated pressure remains constant, the carburetor
is airtight.
9 Carburetor
1
2
3
4
5
6
7
11
13
14
16
17
18
19
15
12
10
31
38
39
40
41
42
43
44
45
46
9
8
22
23
3233
36
37
34
35
20
21
30
29
28
27
26
25
24
0000-GXX-6627-A0
44 43
46 45
10
0000-GXX-6663-A1

Stihl BR 800 Specifications

General

Type	Backpack blower
Airflow	2025 m³/h
Suction mode	-
Product color	Black, Orange, White
Airspeed (max)	349.2 km/h
Power source	Gasoline
Sound power level	112 dB
Sound pressure level	104 dB

Weight and Dimensions

Weight	11700 g