TM 5-2420-231-23-1
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WARNING
DO NOT disconnect or remove any hydraulic system line or fitting unless the engine is
shut down and hydraulic system pressure has been relieved. Tighten all connections
before applying pressure. Escaping hydraulic fluid under pressure can penetrate the skin,
causing injury or death to personnel.
Allow hydraulic system to cool before performing procedure. Hot metal parts can cause
severe burns. Wear eye, hand, and skin protection when working with heated parts.
Hydraulic oil is very slippery. Immediately wipe up any spills.
Always know location of all other personnel in area. Warn them before operating the BHL.
Always keep all other personnel away from area.
Failure to follow these warnings may result in injury or death to personnel.
CAUTION
Plug and cap all hoses and fittings to prevent contamination. Failure to follow this caution
may result in damage to machine.
NOTE
Tag and mark hydraulic hose connections to aid in installation.
Use a copy of flowmeter checksheet (Figure 71 and Figure 72) to record information for
the following tests.
CHECKING OUTPUT OF REAR SECTION
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1. Turn ignition switch on (TM 5-2420-231-10).
2. Move manual control lever and backhoe joysticks to remove residual hydraulic pressure (TM 5-2420-231-10).
3. Turn ignition switch to the off position (TM 5-2420-231-10).
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