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Hitachi NEXT Series Service Manual

Hitachi NEXT Series
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37
Confidential to Customer
512
513
554
513
502
559
558
F44
512
569(※2
551(※2
500
501
511
530
529
574
514
526
515
504
540
515
516
522
509
F28
537
F27
520
517
518
518
503
541
520
522
519
505
521
510(※1
540(※1
550
506
507
508
532
534
535
536
539
525
542
Fig. 1 Suction throttle valve structure (1)
Fig. 2 Suction throttle valve structure (2)
4.16 Maintenance of Suction
Throttle Valve
4.16.1 Removing the Suction Throttle
Valve Assembly
Remove the air intake filter. See the air intake filter
maintenance manual for details.
Remove the filter box, filter box gasket (513) and U
cover (1) (554).
Remove the pipes of air cylinder operating
components and the air exhaust valve.
Remove the bolt that attaches the air intake duct to
the 1st-stage air end block. After that, raise the suction
throttle valve assembly using a hoist to remove it.
After removing the suction throttle valve assembly,
take necessary measures to prevent foreign matter
from entering the air intake of the 1st-stage air end,
such as covering the opening with a cloth.
Remove the air cylinder from the STV body.
Remove the blowoff silencer assembly from the air
cylinder.
Unloader Body
Blowoff
Silencer
A
ssembly
Air Intake Duct
Air Cylinder
Air Intake Filter

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Hitachi NEXT Series Specifications

General IconGeneral
BrandHitachi
ModelNEXT Series
CategoryAir Compressor
LanguageEnglish

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