Table of Contents
Section-Page
Table of Contents
HD92doc042701
ii
SECTION 3
MAINTENANCE
3-1
3.1
Wear Life................................................................................................................... 3-1
3.2
Blade Guides ............................................................................................................. 3-2
3.3
Hydraulic Log Loader ............................................................................................... 3-3
3.4
Blade Housing ........................................................................................................... 3-4
3.5
Carriage Track, Wiper & Scrapers ............................................................................ 3-5
3.6
Track Rollers ............................................................................................................. 3-6
3.7
Vertical Mast Rails .................................................................................................... 3-7
3.8
Drum Switches .......................................................................................................... 3-8
3.9
Miscellaneous Lubrication ........................................................................................ 3-9
3.10
Blade Tensioner....................................................................................................... 3-10
3.11
Blade Wheel Belts ................................................................................................... 3-11
3.12
Brake Strap Adjustment .......................................................................................... 3-12
3.13
Hydraulic System .................................................................................................... 3-14
3.14
Drive Bearing .......................................................................................................... 3-16
3.15
Up/Down System..................................................................................................... 3-17
3.16
Power Feed .............................................................................................................. 3-20
3.17
Miscellaneous Maintenance .................................................................................... 3-22
SECTION 4
TROUBLESHOOTING GUIDE
4-1
4.1
Sawing Problems ....................................................................................................... 4-1
4.2
Electrical Problems.................................................................................................... 4-3
4.3
Power Feed Problems ................................................................................................ 4-5
4.4
Power Feed Circuit Troubleshooting......................................................................... 4-7
4.5
Hydraulic Problems ................................................................................................... 4-9
4.6
Engine/Motor and Drive Pulleys Alignment ........................................................... 4-12
4.7
Power Feed Variable Speed Switch Test................................................................. 4-13
4.8
Power Feed Preliminary Test .................................................................................. 4-14
4.9
Power Feed Mechanical Test................................................................................... 4-15
4.10
Hydraulic Pressure Test........................................................................................... 4-16
