Important - Anest Iwata DDP 70 B.TE Manuel D'instruction Et De Maintenance

DPS-70 C - DPS-70 CN DIAPHRAGM PUMPS
EN
10.4 TWO-WAY VALVE JOINT CONNECTION KIT - OPTIONAL
Ref. Description
for ALUMINIUM TYPE
1 PAINT REGULATOR
2 JOINT
3 T-JOINT
4 ELBOW UNION
for STAINLESS STEEL TYPE
1 PAINT REGULATOR
2 JOINT
3 T-JOINT
5 STREET UNION
6 UNION JOINT M-F
for ALL TYPES
7 SUB PLATE
8 BOLT WITH HEX. HOLE
9 PLATE
10 PRESSURE GAUGE
11 ELBOW UNION
12 TUBE
14 AIR REGULATOR
15 ELBOW
16 T-JOINT
17 UNION JOINT M-F
10.5 PAINT REGULATOR MAINTENANCE, DISASSEMBLY AND ASSEMBLY

IMPORTANT

When you disassemble main body, rising pipe and pressure gauge, apply sealing agent to each threaded
section to keep airtightness.
Whenever disassembling ball and seat of tungsten carbide, you have be sure to confirm that there is no
wear or damage. If there is any wear or damage, replace with new one.
10.6 DISASSEMBLING
1. Fully loosen handle set (ref.22), and remove bolt with hex. hole (ref.17), diaphragm cap (ref.19), spring stopper (ref.20),
adjusting spring (ref.18) and diaphragm.
2. Loosen jam nut (ref.7), and remove joint (ref.1), valve spring (ref.2), ball (ref.3), seat (ref.5) and packing (ref.6).
3. Fix hex. section of diaphragm bolt (ref.10), and remove hex. nut (ref.16), spring washer (ref.15), diaphragm stopper (ref.13),
O'ring (ref.14), diaphragm (ref.12) and diaphragm holder (ref.11).
4. If O' ring placed into joint is damaged or deformed, remove O'ring from joint.
10.7 ASSEMBLY
1. Check on each section if there are damage and foreign matter .
2. Fit diaphragm holder (ref.11), diaphragm (ref.12), O' ring (ref.14), diaphragm holder (ref.13) and spring washer (ref.15) into
diaphragm bolt (ref.10) and tighten hex. nut (ref.16). Tightening torque of hex. nut 9.8N-m.
3. Mount diaphragm section, adjusting spring (ref.18), spring stopper (ref.20), and diaphragm cap (ref.19) on main body
(ref.8), and evenly tighten bolts with hex. bolt (ref.17) diagonally.
4. Fit O' ring (ref.4) to joint (ref.1).
5. Fit packing (ref.6) and tungsten carbide seat (ref.5) to body (ref.8).
6. Fit valve spring (ref.2) and ball (ref.3) to joint (ref.1), and then fit joint (ref.1) to body (ref.8). Tightening torque of joint
14.7N-m.
7. Fix joint (ref.1) with jam nut (ref.7).
20
Qty.
1
ALUMINIUM TYPE
1
1
2
1
1
1
2
2
1
STAINLESS STEEL TYPE
4
1
1
2
1
1
2
1
1
ALL TYPES