MAC TOOLS MW250 Instrucciones de operaciones descargar pdf (Pagina 55)

100

101

TM 5-4310-452-14

2-20. OPERATION IN EXTREME COLD, SNOW, OR MUD (Con't).

(3) Open manual blowdown valve (2) and service valve (3).

NOTE

When using ETHER INJECT knob, ensure that knob is pushed in immediately after pulling it out.

(4) Pull ETHER INJECT knob (5)

once, and then completely push it back in.

Simultaneously push SAFETY CIRCUIT

BYPASS (7) and START (6) buttons. Release

START button when engine starts, Release

SAFETY CIRCUIT BYPASS button when

engine oil pressure reaches 20 psi (138 kPa).

Pull ETHER INJECT knob if engine falters, but

do not use more than once every 15 seconds.

(5) Once compressor unit has

started, gradually close manual blowdown valve

(2) to keep engine running. Allow unit to warm

up for 10 minutes.

NOTE

DO NOT open manual blowdown valve during operation, or engine shutdown may result from

excessive compressor oil carryover.

(6) Push SERVICE-AIR button (4). Slowly close service valve (3) until unit is at idle. If safety relief valve

opens, completely open service valve. Gradually close service valve until discharge pressure reaches and holds at 110

psi (758 kPa), Let unit run for five minutes. Service valve can now be completely closed and service lines attached.

TA505415

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MAC TOOLS MW250 Instrucciones de operaciones Pagina 55

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