MAINTENANCE/ADJUSTMENTS
Dipper top/Bucket
Dipper cylinder top and bucket cylinder
(788 series)
Template Name: OM_1_col Template Date: 1994_04_29
Measure the play (J). If it is equal to or greater than 2 mm, insert washers to obtain a minimum play of 0.5 mm.
2
(788 series) 1
1
PDG0143
Measure the total play. If it is equal to or greater than 2 mm, insert washers (2) so as to obtain a minimum play of 0.5 mm.
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(988 series)
PDG0147
Insert washers (1) for the dipper cylinder and bucket cylinder.
(988 series)
3
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1
3
1
3
PDG0143
Measure the total play. If it is equal to or greater than 2 mm, insert washers (3) so as to obtain a minimum play of 0.5 mm. PDG0147
To remove the pin, see “Replacing a backhoe bucket”.
Insert washers (3) for the dipper cylinder and washers (1) for the bucket cylinder.
NOTE: Shimming should be symmetrical between the dipper top and the bucket lugs.
To remove the pin, see “Replacing a backhoe bucket”.
290
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