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Class 4 (4th Engineer) MEP 📅 Oct 2022

Exam Question

With reference to Steering Gear & Hydraulic Power Rotary pumps

(a) Explain how the reserve of fluid in the system is checked and how make-up is achieved. (5)

(b) Describe how a steering system is tested prior to leaving port with reference to SOLAS. (5)

(c) Explain how tests are made for leaks, and air and other gases are bled from the system. (6)

Reference Answer

### (a) Checking and Replenishing Hydraulic Fluid Reserve (5 Marks)
The integrity and reliability of a hydraulic steering gear system are critically dependent on maintaining the correct quantity and quality of hydraulic fluid. The procedure for checking and replenishing the fluid is a fundamental aspect of watchkeeping and pre-departure routines.
**1. Checking the Fluid Reserve:**
* **Location of Reserve:** The main reserve of hydraulic fluid is held in a reservoir or replenishing tank. In a typical two or four-ram system, each power unit (pump) may have its own service/header tank, which is kept full from this main reservoir.

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