APV DELTA DA3+ SLD, Руководство по эксплуатации

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13
UK
DELTA DA3SLD-UK0.qxp / 12.2007
Double Seat Mixproof Valve with Seat Lift Detection
DELTA DA3+SLD
Operating Manual: Rev. 0
9. Maintenace
- The maintenance intervals are different depending on the
application and must be determined by the operator himself
carrying out temporary checks.
- For the dismantling of the valve, compressed air is not required.
- Required tools:
- 1 x hexagen socket wrench 3
- 1 x wrench SW13
- 2 x wrench SW17
- 2 x wrench SW24
- disassembly and assembly tool for the lower shaft seal,
ref.-No. 000 51-13-100/17
- Replacement of seals according to Service Instructions.
The customer is recommended to hold spare seals on stock.
For valve maintenance APV supplies complete seal kits including
seal grease (pl. see spare parts lists).
- The valve must not be cleaned with products containing abrasive
or polishing substances. Especially the valve shafts must not be
cleaned with such agents under any circumstances. Damage at
the valve shaft can produce leakages.
- Assembly of the valve according to service instructions.
- To simplify the installation of the middle seal, assembly tools are
available (see item 12.).
- Provide all seals with a thin layer of grease before
their installation (see lubrication chart )
Recommendation:
APV food grade grease for EPDM, HNBR and FPM (Viton)
(0,75 kg/ tin - ref.-No. 000 70-01-019/93)
(60 g/ tube - ref.-No. 000 70-01-018/93)
APV food grade grease for VMQ (Silikon)
(0,60kg/ tin - ref.-No. 000 70-01-017/93)
(60 g/ tube - ref.-No. 000 70-01-016/93)
! No matter what type of application, use only those greases
being suited for the respective seal material.
Recommendation for actuator:
APV pneumatic grease:
(25 ml-tube
- ref.-No. 000 70-01-008/93 )