# CTE Resource Center - Verso - Diesel Equipment Technology III Task 493159111

CTE Resource Center - Verso

Virginia’s CTE Resource Center

Identify causes of pump failure, unusual pump noises, temperature, flow, and leakage problems.

Definition

Identification should include
  • following the manufacturer's troubleshooting guide for the hydraulic system
  • utilizing all required tooling and parts
  • determining needed action.
Possible causes include
  • low oil level
  • wrong oil
  • aeration and cavitation of the pump
  • faulty or dirty cooler
  • worn cylinder seals
  • damaged cylinders.

Process/Skill Questions

  • What are the causes for aeration and cavitation of the hydraulic pump?
  • What procedures need to be performed if a hydraulic pump fails and sends metal through the hydraulic system?
  • What are the signs of an overheated hydraulic pump?

Related Standards of Learning

English

12.5

The student will read and analyze a variety of nonfiction texts.
  1. Generate and respond logically to literal, inferential, evaluative, synthesizing, and critical-thinking questions before, during, and after reading texts.
  2. Analyze and synthesize information in order to solve problems, answer questions, and generate new knowledge.
  3. Analyze two or more texts addressing the same topic to identify authors’ purposes and determine how authors reach similar or different conclusions.
  4. Recognize and analyze use of ambiguity, contradiction, paradox, irony, overstatement, and understatement in text.
  5. Identify false premises in persuasive writing.
  6. Draw conclusions and make inferences about explicit and implied information, using textual support.