JF C-40 S2, Operation & Technical Manual

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5.4- Amount of knives on the impeller
The chopper impeller (1) of the JF C-40, C-60 and C-
120 is designed to operate with several knife
configurations in according the chart below.
The knives (2) have a profile in ¨C¨, turning possible a
double function: Cut and throw the particles with
maximum performance, without the impeller disc
wearing.
The quantity of knifes in each impeller (1) should take
into account following aspects:
Knives disassembling (for sugar-cane and grass harvests)
It is recommended for:
Product (type, age etc).
Purpose of the harvest (silage, daily food etc).
Tractor horsepower.
Corn and sorghum hasvests: 12 blades.
Sugar-cane and elephant grass harvests: 4 or 6
knifes.
Note:
Tractor shold be turned off, parked and
umcoupled from the PTO.
Quantity of knifes on
impeller:
- JF C- 40: 4 knives
- JF C- 60: 6 knives
- JF C-120: 12 knives
Note:
The knives have cutting edges. Therefore,
the operator should wear gloves with long
fists to reduce the risk of cutting.
a) Upraise the shield (3) when equipped.
b) Release the bolts (4) using a wrench according to the
sub-item 12.1 table.
c) Remove the five knifes (2) alternately, releasing the
bolts (5). This way the impeller counterbalancing (1) will
be kept.
Note: When reinstalling the knives for corn and/or
sorghum harvests, follow their assembling correct
position, according to the picture above.
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OPERATION TECHNICAL MANUAL - HARVESTER JF C40 C60 and C120 SERIES 2
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