Ingersoll-Rand 7120 User Manual

Page 46

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43

7/120 (P425AWIR), 9/110 (XP375AWIR), 10/105 (HP375AWIR), 14/85 (VHP300AWIR),

7/170 (P600WIR), 10/125 (HP450WIR), 14/115 (VHP400WIR)

Removing Engine from Long Term Storage

Refer to the appropriate section for detailed
services listed below or have your authorized
servicing dealer or engine distributor perform
services that you may not be familiar with.

1. Remove all protective coverings from engine.

Unseal all openings in engine and remove
covering from electrical systems.

2. Remove the batteries from storage. Install

batteries (fully charged) and connect the
terminals.

3. Install fan/alternator poly–vee belt if removed.

4. Fill fuel tank.

5. Perform all appropriate pre–starting checks.

IMPORTANT: DO NOT operate starter more
than 30 seconds at a time. Wait at least 2
minutes for starter to cool before trying
again.

6. Crank engine for 20 seconds with starter (do

not allow the engine to start). Wait 2 minutes
and crank engine an additional 20 seconds to
assure bearing surfaces are adequately
lubricated.

7. Start engine and run at low idle and no load

for several minutes. Warm up carefully and
check all gauges before placing engine under
load.

8. On the first day of operation after storage,

check overall engine for leaks and check all
gauges for correct operation.

Specifications

General Engine Specifications

ITEM

6IRF8TE

Number of Cylinders

6

Bore

106 mm (4.19 in.)

Stroke

127 mm (5.0 in.)

Displacement

6.8 L (414 cu in.)

Compression Ratio

17.0:1

Aspiration Turbocharged

Engine Firing Order

1–5–3–6–2–4

Valves Per Cylinder

1 Intake
1 Exhaust

Valve Clearance (Cold)

Intake (Checking)

0.31–0.38 mm
(0.012–0.015 in)

Exhaust (Checking)

0.41–0.48 mm
(0.016–0.019 in)

Intake (Adjusting)

0.36 mm
(0.014 in.)

Exhaust (Adjusting)

0.46 mm
(0.018 in.)

Max. Crank Pressure

0.5 kPa
(2 H

2

O)

Vibration Damper Maximum
Radial Runout

1.50 mm
(0.060 in.)

Governor Regulation
(Industrial)

7—10 %

Thermostat Start To Open
Temperature

82

_

C

(180

_

F)

Thermostat Fully Open
Temperature

94

_

(202

_

F)

Oil Pressure At Rated
Speed, Full Load (

±

15 psi)

345 kPa
(50 psi)

Oil Pressure At Low Idle
(Minimum)

105 kPa
(15 psi)

Length

1116 mm
(43.9 in.)

Width

623 mm
(24.5 in.)

Height

1012 mm
(39.9 in.)

Weight

587 kg
(1290 lb)

Engine Crankcase Oil Fill Quantities

6IRF8TE
Crankcase Oil Capacity L (qt) 19.5 (20.6)

General Engine Specifications

ITEM

4IRD5AE

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