Husqvarna 257 Manuals

Manuals and User Guides for Husqvarna 257. We have 2 Husqvarna 257 manuals available for free PDF download: Workshop Manual, Operator's Manual

Husqvarna 257 Workshop Manual (125 pages)

Brand: Husqvarna | Category: Chainsaw | Size: 2.69 MB

List of Contents
2
Table of Contents
2
Introduction
3
Safety
3
Updates
3
Layout
3
Use
4
Repair of a Specific Sub-Assembly
4
Dismantling and Reassembly of the Entire Chain Saw
4
Safety Regulations
5
General Instructions
5
Special Instructions
5
Technical Data
6
CM/Inches
6
Tools for All Chain Saws
14
Tools for Saws 36 and 41
15
Tools for Saws 40, 45, 51 and 55
15
Tools for Saws 42, 242 and 246
16
Tools for Saws 254, 257 and 262
16
Tools for Saws 61, 268 and 272
17
Tools for Saws 281 and 288
17
Tools for Saws 394 and 3120
18
List of Tools
19
Saws 36 and 41
20
Character Key
20
Service Data
20
Saws 42, 242 and 246
22
Service Data
23
Saws 40 and 45
24
Service Data (Saws 51/55)
26
Saws 51 and 55
26
Saws 254 and 257
28
Saw 262
30
Saws 61, 268 and 272
32
Saws 281 and 288
34
Saw 394
36
Saw 3120
38
Trouble Shooting Schematic
40
Starting
40
Idling (Low Rpm)
40
High Rpm
41
Acceleration and Retardation
41
Trouble Shooting Methods
41
Safety Equipment
42
Chain Brake
42
Dismantling
42
Cleaning and Inspection
44
Assembly
44
Checking Brake Operation
47
Chain Catcher
48
Description
48
Replacing
48
Muffler
49
Stop Switch
51
Throttle Lock
52
Starter
57
Changing the Ferrule
58
Electrical System
61
Ignition System
61
Fitting the Spark Plug Cover
64
Handle Heating
65
Trouble Shooting
65
Checking the Generator
66
Check the Handle Loop
66
Checking the Heat Loops in the Rear Handles
66
Checking the Power Switch
66
Centrifugal Clutch
67
Lubrication System
70
Dismantling the Oil Pump's Worm Gear
75
Assembling the Worm Gear
77
Assembling the Oil Pump
77
Carburettor
83
Design
83
Operation
84
Plugs
85
”Semi Fixed Jet”/”Fixed Jet”
85
Tillotson HS 228 B
86
Tillotson HS 255 B
86
Tillotson HS 260 a
87
Walbro HDA and HD
87
Walbro WJ
88
Walbro WG
88
Walbro WT
89
Zama C1Q-El1
89
"Semi Fixed Jet"/"Fixed Jet"
91
Walbro HDA Och HD
95
Pressure Testing
100
Refitting Onto Chain Saw
100
Air Filter
101
268K, 272K and 272S
101
Main Filter
102
Tank Unit
103
Tank Unit
104
Anti-Vibration System
106
Piston and Cylinder
108
Piston and Cylinder
110
Faults and Causes
110
Decompression Valve
113
Crankcase and Cylinder
113
Crankcase and Crankshaft
114
Bar Bolts
121
Changing the Seals
122
Assembly Positions Starter Side
124
Assemblt Position on the Clutch Side
124

Husqvarna 257 Operator's Manual (40 pages)

Husqvarna Gas Chain Saw Operator's Manual

Brand: Husqvarna | Category: Chainsaw | Size: 1.56 MB

Key to Symbols

2
- Table of Contents
  3
Safety Instructions

4
- Personal Protective Equipment
  4
- Chain Saw Safety Equipment
  4
- Cutting Equipment
  10
  - Tensioning the Chain
    13
  - Lubricating Cutting Equipment
    14
- How to Avoid Kickback
  16
- General Rules
  17
- General Safety Precautions
  18
- General Working Instructions
  19
What Is What

24
Assembly

25
- Mounting Guide Bar and Chain
  25
Fuel Handling

26
- Fuelmix
  26
  - Petrol
    26
  - Two-Stroke/Chain Oil
    26
- Fuelling
  27
Start and Stop

28
Maintenance

29
- Carburettor
  29
- Starter Device
  30
- Air Filter
  31
- Spark Plug
  31
- Muffler
  31
- Adjusting the Oil Pump
  31
- Needle Bearing Maintenance
  32
- Cooling System
  32
- Heated Handles (272XPG)
  32
- Winter Use
  32
- Daily Maintenance
  33
- Weekly Maintenance
  33
- Monthly Maintenance
  33
Technical Data

34
- Bar and Chain Combinations
  34
- 272Xp
  35

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More Husqvarna Manuals

Husqvarna 257 Manuals

Husqvarna 257 Workshop Manual (125 pages)

Table of Contents

Husqvarna 257 Operator's Manual (40 pages)

Table of Contents

Key to Symbols

Safety Instructions

What Is What

Assembly

Fuel Handling

Start and Stop

Maintenance

Technical Data

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Husqvarna Categories