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Pump-Injector

Technical condition requirements for removed injection units

1. The injection sprayers may be bent, broken or missing.

 

2. The injection unit may not be dismantled.

3. The manufacturer's number (OE number) on the body must be legible and comply with the catalogue number.

4. The housing and tightening (fixing) points cannot be damaged.

5. The injector cannot be heavily corroded or burnt (impairment of structure stability).

6. The injector cannot be (or have), e.g. bent, twisted body, broken pump spring, broken discharge pipe, etc.

Unacceptable examples

Sub-assembly disassembled; loose screws - unacceptable

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Sub-assembly disassembled; loose spring - unacceptable

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Incomplete core - unacceptable

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Incomplete core - unacceptable

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Incomplete core - unacceptable

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Damaged housing; damaged nut - unacceptable

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Damage to the spring plate hole, damage to the pump plunger cover due to screw breakage - unacceptable

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Damage to the electrical connection - acceptable

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Flange and lid damage - acceptable

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Discoloration due to the use of defective fuel - unacceptable

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Permissible corrosion on the spring plate

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Permissible corrosion on the spring

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Permissible corrosion on the nozzle

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Permissible corrosion on flange and lid

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Deep corrosion- unacceptable

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Unit Injector for trucks (all below)

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Missing spring - acceptable. |##| Disassembled unit - unacceptable

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No atomizer - acceptable; No pin at the spring plate - acceptable

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Slight corrosion without loss of material - acceptable

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Mechanical damage. Damaged screw and steel cover - acceptable

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Damage to the brass cover - unacceptable

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