If a diesel engine hydraulic starting motor...

Question 1 / 270705eccefa3bacbc34ba4d47d93

Question 1 of 270705eccefa3bacbc34ba4d47d93

If a diesel engine hydraulic starting motor fails to disengage from the engine, your FIRST check should be the __________.

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Question 1 of 27070

If a diesel engine hydraulic starting motor fails to disengage from the engine, your FIRST check should be the __________.

🔍 Key Concepts

• Function of each component in a diesel hydraulic starting system (throw-out bearing, hydraulic pump, overrunning clutch, accumulator) • What happens mechanically when a starting motor fails to disengage • Which component is designed to allow the starter to spin without being driven by the engine

💭 Think About

• Ask yourself: which part is specifically intended to let the engine turn faster than the starter without dragging it along? • Think about which component you can check first without disassembling major parts and which is most directly related to disengagement. • Consider: if the starter stays engaged after the engine starts, which device meant to protect the starter from overspeed might not be working correctly?

✅ Before You Answer

• Be clear on the purpose of an overrunning mechanism in any starting system (electric or hydraulic). • Review how a hydraulic pump and accumulator behave once the engine is already running versus during starting. • Confirm which part’s primary function is engagement/disengagement protection, not just pressure supply or mechanical support.

Question 1 of 27070

If a diesel engine hydraulic starting motor fails to disengage from the engine, your FIRST check should be the __________.

throw-out bearing

hydraulic pump

overrunning clutch

accumulator

Question 1 / 270705eccefa3bacbc34ba4d47d93

Question 1 of 270705eccefa3bacbc34ba4d47d93

If a diesel engine hydraulic starting motor fails to disengage from the engine, your FIRST check should be the __________.

Back

Question 1 of 27070

If a diesel engine hydraulic starting motor fails to disengage from the engine, your FIRST check should be the __________.