Tightening Torques; Cutting Attachment Specifications; Weights; Special Accessories - Stihl 28 Service Manual

6
1.4
Tightening Torques
Crankshaft nut
(ignition side) M 8 x 1:
30 Nm (22 Ibf. ft)
Hub/spider (output side):,
50 Nm (37 Ibf. ft)
M 5 socket head screws:
8 Nm (6 Ibf.. ft)
M 5 cheese-head screws:
5 Nm (3,,7 Ibf. ft)
M 4 cheese-head screws:,
2.5 Nm (1.8 Ibf.. ft)
M 5 nuts:
5 Nm (3.7 Ibf.. ft)
Spark plug:
25 Nm (18,,4 Ibf.. ft)
Important: The M 5 x 12 screws on the front handguard and the
M 4 x 8 screws on the spider are fitted with LOCTITE.
1.5
Cutting Attachment
Guide bars:,
STIHL Duromatic guide bars
with stellite-tipped bar nose;
STIHL Rollomatic guide bars
with sprocket nose. Both types
with corrosion resistant finish
and induction hardened track
Bar lengths:
Duromatic 40 and 45 cm
(16 and 18 in)
Rollomatic 32, 37, 40 and 45 cm
(13,14.6,16 and 18 in)
Chain:,
0.325" (8,,25 mm) pitch
Chain sprocket::
7 -tooth for 0.325" chain
Chain speed:,
16.4 m/s (53.8 ft/sec) at 8500 rpm
Chain lubrication:,
Speed-controlled oil pump
with lift plunger, operative
only when chairi is running
Oil delivery rate:
8 cm
3
/min (0,,49 cu. in/m in)
at 6000 rpm
Oil tank capacity:,
0.3 L (0,,63 U"S"pt)
1.6
Weights
Model:
AV/AVE
AVQ/AVEQ
Dry weight with 32 cm
bar and chain:,
6,,5 kg (14.3 Ib) 6,,6 kg (14.5 Ib)
1,,7
Special Accessories
STIHL rescue kit 028
11189005000
Gasket set 028
11180071050