MacDon A40-D, Руководство оператора

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Revision A
7.2 Mechanical
Symptom Problem Solution Section
Auger and/or conditioner
rolls damaged by stones Feed pan doesn't allow
stones to fall through.
Lower rock-drop tines.
3.6.11 Setting Feed
Pan and Rock Drop
Tine Position, page
75
Excessive breakage of
knife sections or guards Ground speed too high in
stony conditions
Reduce ground speed.
3.10 Selecting
Ground Speed,
page 93
Excessive breakage of
knife sections or guards Cutting height too low in
stony conditions Raise cutting height with
skid shoes.
3.6.8 Setting
Cutting Height,
page 71
Excessive breakage of
knife sections or guards Header angle too steep in
stony conditions
Decrease header angle.
3.6.7 Adjusting
Header Angle, page
70
Excessive breakage of
knife sections or guards Header float too heavy in
stony conditions
Adjust to lighter float setting.
3.6.9 Checking/
Adjusting Float
–
M
Series, page 72
Excessive breakage of
knife sections or guards
Knife speed too slow
Maintain proper rpm on PTO.
Check for proper match of pump
and gear-drive at PTO. 2.2 Product
Specifications,
page 21
Excessive breakage of
knife sections or guards
Guards, knife and
hold-downs misaligned
Straighten guards, align
hold downs.
4.7.7 Guards, page
121
4.7.8 Hold-Downs,
page 130
Excessive heating of
hydraulic oil
Relief pressure too low Replace relief valve. See Dealer
Header stalling in
extremely tall, heavy crop
(6+ tons per acre)
Insufficient crop clearance
at rear of feed pan Lower rock drop tines (rear of
header pan).
3.6.11 Setting Feed
Pan and Rock Drop
Tine Position, page
75
, or 3.6.9
Checking/Adjusting
Float
–
M Series,
page 72
Header stalling in
extremely tall, heavy crop
(6+ tons per acre)
Insufficient crop clearance
at rear of feed pan
Remove rubber fingers from
auger at delivery opening.
4.11 Replacing
Rubber Fingers,
page 163
Header stalling in
extremely tall, heavy crop
(6+ tons per acre) Insufficient crop clearance
at rear of feed pan
Increase roll gap.
3.6.12 Adjusting
Conditioner Roll
Gap, page 76
Header stalling in
extremely tall, heavy crop
(6+ tons per acre)
Feeding aids for shorter,
lighter crop impede flow of
heavy or thick stemmed
crops (cane, sudan
grass etc.)
Remove front set of
stripper bars. 4.12 Stripper Bar,
page 164
TROUBLESHOOTING