Hitachi EX 8000-6, Руководство по ремонту

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UPPERSTRUCTURE / Counterweight
W2-2-1
REMOVAL AND INSTALLATION OF
COUNTERWEIGHT
CAUTION: Park the machine on a solid and
level surface. Lower the bucket to the ground
steady before doing any work.
Do not operate the machine or the front
attachment
without the counterweight.
Otherwise the machine may tip over.
Removal
1. Remove nuts (7) (3 used), washers (6) (6 used),
and bolts (5) (3 used) from right handrails (2, 3).
: 19 mm
CAUTION: Right handrail (2) weight: 20 kg
(44 lb)
Right handrail (3) weight: 28 kg (62 lb)
2. Remove bolts (4) (14 used) from right handrails (2,
3). Remove right handrails (2, 3) from right
counterweight (1).
: 19 mm
3. Remove the left handrail in the same way as steps
1 to 2.
4. Remove bolts (9, 12) (8 used for each) from
covers (8, 11) (2 used for each). Remove covers
(8, 11) (2 used for each) from right sub weight
(10).
: 19 mm
W18G-03-02-013
W18G-02-02-001
W18G-02-02-002
W18G-02-02-003
10
Detail A
9
11
12
11
8
1
10
4
2, 3
5
6 7
3
Sub Weight
A
2
1
1