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[D] Handling

1 Preparation before running

(1)Make sure to purge air in the inflatable ring on the pressure gauge(G-1) by closing

valve

①

and opening valve

②

(2)Purge air in the casing by opening plug

③

. And close plug

③

(3)Open valve

④

(4)Begin running of the cooling water pump.

2 Handling procedure of the inflatable ring

This seal is to be used in the inspection or replacement of a seal ring at sea.

In working with this seal, make sure the shaft does not rotate.

Handling procedure is as follows.

(1)Stop the propeller shaft.
(2)Close valve

④

and valve

②

(3)Open valve

①

gradually so that the air pressure becomes 0.3

～

0.6 MPa in

Gauge(G-1).

(4)Open plug

③

and make sure of no water leakage from the casing.

(5)Remove the mating ring and inspect the seal ring . If necessary, replace it.
(6)After work, the reverse procedure should be performed. At this time, reconfirm

closure of valve

①

, and opening of valve

②

(7)Purge air in the casing by opening plug

③

. And close plug

③

Plug

SEALING

From air source

①

G-1

②

④

10mm CuT

G-2

Normally open

Normally close

Fig.-2

From water pump

Shaft rotation must be stopped before operating the inflatable ring.

CAUTION!

Содержание EVK2RV

Страница 1: ...AL Type EVK2RV Thank you very much for buying our EVK stern tube seal this time Please read this instruction manual carefully before use and then use it correctly Please keep this instruction manual at hand so that it is always available for reference ...

Страница 2: ...me of parts SEAL RING MATING RING GARTER SPRING CASING INFLA RETAINER INFLATABLE RING O RING GASKET ANCHOR PIN RUBBER HOSE PLUG HOSE BAND GROUNDING UNIT CARBON BRUSH SEAL RING SPARE TUBE FITTING LOCK NUT ...

Страница 3: ...ble ring c Fix the infla retainer on the casing d Tighten the lock nut in the anchor pin At this time be careful not to twist the anchor pin by fixing the square part of the pin with a wrench e Tighten another lock nut in the anchor pin 2 Casing a Install the gasket to mounting surface of the casing Apply a liquid packing if use other gasket than rubber material b Temporarily install the casing pr...

Страница 4: ...y no leaking from the seal ring and that the air pressure drop is within 10 per hour 2 After launching Check to see that water is continuously no leaking from the seal ring Stop the propeller shaft Close all water supply line fully Supply an air pressure to the inflatable ring Then open the plug and check to verify that water is continuously no leaking See Fig 2 Disconnect the air supply line norm...

Страница 5: ...e Handling procedure is as follows 1 Stop the propeller shaft 2 Close valve and valve 3 Open valve gradually so that the air pressure becomes 0 3 0 6 MPa in Gauge G 1 4 Open plug and make sure of no water leakage from the casing 5 Remove the mating ring and inspect the seal ring If necessary replace it 6 After work the reverse procedure should be performed At this time reconfirm closure of valve a...

Страница 6: ...d replace it if necessary 1 Work the inflatable ring according to item 2 2 Remove the mating ring 3 Finish the sliding surface of the mating ring as flat as possible using emery paper whenever the mating ring was removed from the casing 4 Take the seal ring out of the casing and remove the garter spring 5 Cut away the seal ring 6 Take out the spare seal ring on the shaft sleeve and set it into the...

Страница 7: ...d by lathing In case lathing is not necessary finish it as flat as possible using emery paper or equivalent 5 Rubber hose for water supply In the case of rubber hose connection If there are no serious defects or cracks on the surface of a rubber hose it can be used for about 5 years But when dry docking replace it with a new one 6 Carbon brush If carbon brush length is worn out to 17mm or less rep...

Страница 8: ...nce must be confirmed in the following manner Pressurize the inflatable ring to 0 3 0 6 MPa and set feed water pressure at equivalent to twice draft pressure then perform air venting There shall be no continuous leaking from the sliding surface and air pressure downfall must be 10 Hr or less 2 Pressurizing air supplied to the inflatabie ring shall be eliminated after the above mentioned performanc...

Страница 9: ...st and oil on sliding surface 5 Inflatable ring 1 time yr No leakage of water at 0 3 0 6 MPa of air pressure Air pressure drop in piping to be within 10 Hr Inspection to be done before docking Releasing air in the inflatable ring to be done after inspection 6 Disassembly condition 1 time yr Check seal ring works well and its installation position No excessive wear or deformation on seal ring Confi...

Страница 10: ...seal ring pour hot 70 80 water on seal ring worn seal ring replace seal ring with spare on shaft worn mating ring more than 0 5mm depth lathe mating ring or turn to the face temporary repair using sandpaper or grinder flatten as much as possible seal ring hardens due to low water temperature pour hot 70 80 water on seal ring something caught between seal ring and shaft sleeve slide seal ring out c...

Страница 11: ...Appendix 付属書 1 About the protection of the seal ring spare on the shaft 10ME 010 軸上予備シールリングの養生について 10ME 010 2 Shaft grounding units 07ME 007 集電装置 07ME 007 ...

Страница 12: ...he shaft by taping Then let air out as much as possible In addition do not put the tape on the seal ring directly 薄手のシート両端をスリオンテープなどで軸に取付け隙間を塞ぐこの時出来るだけ空気を抜いておくことまたスリオンテープは直接シールリングに貼らないこと 4 After that cover it by tire tube or vinyl sheet to protect the thin film その後薄手のシートの保護としてタイヤチューブやビニールシートなどで覆う Special note 注意事項 1 Please consider the spare seal ring dose not to come in contact with project...

Страница 13: ...utside of carbon brush カーボンブラシの外観確認 Dirt 汚れが無いこと 1 time day 1 回日 Check a shaft sleeve surface 軸スリーブの状態確認 Dirt and corrosion 汚れや腐食が無いこと Check a lead wire リード線の状態確認 Break of a lead wire リード線が切断されていないこと Check a coil spring operation スプリングの可動確認 Smooth movement of a coil spring カーボンブラシを押込み滑らかに動くこと 1 time week 1 回週 Confirm a fasten 締付け確認 The screw looseness 各部のネジに緩みが無いこと 1 time 2weeks 1 回 2 週 Cleaning...

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