Fig. L.12. Removing Lubricating Oil Spin-on Canister. (lowline engines)

Fig. L.10. Removing the Oil Relief Valve Housing from the Cylinder Block

Fig. L.14. Removing the Lubricating Oil Filter Bowl. (Replaceable element type)

TM-55-1930-209-14P-9-4 Water Purification Barges (NSN 1930-01-234-2165) Electric Power System Manual
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LUBRICATING SYSTEM - L.7 LUBRICATING OIL FILTERS To ensure cleanliness of the lubricating oil a sump strainer and a main full flow type of oil filter are fitted. The sump strainer consists of a gauze wire container which is fitted over the end of the lubricating oil pump suction pipe. All oil must pass through this strainer before it reaches the oil pump, this ensures that no foreign matter reaches the pump which could cause any damage. It is recommended that this strainer is removed and thoroughly cleaned every time the sump is removed. The main full flow type oil filter is mounted externally on the side of the cylinder block. All the oil passes through this filter after it leaves the pump, but before it reaches the bearings. This filter utilizes a replaceable paper filter element on earlier engines or a spin-on canister type having an integral element on later engines and no attempt should be made to clean it. It should be replaced by a new one in accordance with Preventive Maintenance recommended on Page C.3. To Renew Spin-on Oil Filter Canister 1. Unscrew filter canister from side of oil cooler (see Fig. L.12). 2. Discard old canister. 3. Clean head of oil cooler. 4. Using clean engine oil, liberally oil top seal of replacement canister. 5. Fill new canister with clean lubricating oil allowing time for the oil to filter through the element. Screw replacement canister on to end of the oil cooler until the seal just touches cooler head. Then tighten as per instructions on Fig. L.12. Removing Lubricating Oil Spin-on Canister. (lowline engines) Fig. L.13. Removing the Lubricating Oil Filter Bowl Securing Screw. (Replaceable element type) canister. Where a tool is available tighten to 15 Ibf ft (2,07 kgf m) - 20 Nm. 6. Run engine and check for leaks. NOTE: Oil filter canisters have internal valves to prevent oil drain back and a special tube stack is fitted, so always ensure that the correct replacement is fitted. To Remove the Filter Element (earlier engines) 1. Clean the exterior of tile filter bowl. 2. Unscrew the filter bowl securing bolt as shown in Fig. L.13. A suitable container should be placed beneath the filter to catch the oil in the bowl as the securing bolt is slackened. 3. Ease the filter bowl clear, lift out the old element and discard. NOTE: Ensure that the top edge of the filter bowl is not damaged in any way during handling, otherwise it may be difficult to obtain an oil tight seal when it is refitted, even when using a new sealing ring. To Renew the Filter Element (earlier engines) 1. Clean out the filter bowl using cleaning fluid. 2. Fit the new element so that it locates correctly on the spring loaded guide in the base of the container. 3. Fit the new container seal in the filter head ensuring that it is correctly located in its groove.

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