Edwards A311-01-985, Instruction Manual

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Maintenance
A311-03-880 Issue A
5.5.1 Drive end cover
1. Refer to Figure 1 , detail E. Look at the oil level in the sight-glass (10) on the drive end cover (7):

If the oil-level is between the minimum and maximum marks (22, 21), continue at Section 5.5.2 to check the
oil-level in the non-drive end cover.

If the oil level is below the minimum level mark (22), continue at Step 2 to add more oil.

If the oil level is above the maximum level mark (21), drain oil from the pump until the level is correct: refer
to
Section 5.7 .
2. If the pump is operating, shut the pump down (refer to Section 4.3 ) and allow the pump to cool to a safe
temperature.
3. Refer to detail A or B. Carefully remove the oil filler-plug (6) from the filler port on the top of the drive end
cover (7): refer to the Warning at the start of Section 5.5 .
4. Pour new oil of the correct type (see Section 2.6 ) through the filler port and into the end cover until the oil-level
reaches the maximum level mark (detail E, item 21). If the oil level goes above the maximum level mark, drain
oil from the pump until the level is correct: refer to
Section 5.7 .
5. Refit the oil filler-plug (6) to the filler port on the top of the drive end cover (7).
6. Continue at Section 5.5.2 to check the oil-level in the non-drive end cover.
5.5.2 Non-drive end cover
1. Refer to Figure 1 , detail E. Look at the oil level in the sight-glass (16) on the non-drive end cover (17):

If the oil level is below the minimum level mark (22), continue at Step 2 to add more oil.

If the oil level is above the maximum level mark (21), drain oil from the pump until the level is correct: refer
to
Section 5.7 .
2. If the pump is operating, shut the pump down (refer to Section 4.3 ) and allow the pump to cool to a safe
temperature.
3. Refer to detail A or B. Carefully remove the oil filler-plug (1) from the filler port on the top of the non-drive end
cover (17): refer to the Warning at the start of Section 5.5 .
4. Pour new oil of the correct type (see Section 2.6 ) through the filler port and into the end cover until the oil-level
reaches the maximum level mark (detail E, item 21). If the oil level goes above the maximum level mark, drain
oil from the pump until the level is correct: refer to
Section 5.7 .
5. Refit the oil filler-plug (1) to the filler port on the top of the non-drive end cover (17).