TM 5-3805-280-24-1
Tests
ENGINE POWER TEST USING
TURBOCHARGER BOOST PRESSURE
SPECIFICATIONS
2180 25 rpm in standard mode
Engine Fast Idle Speed
Combined Pump Engine
100 rpm approximate with arm in
Pulldown Speed
over relief
HP Mode Switch Position
On
Rated Engine Speed
2100 rpm
Turbocharger Boost Pressure
79--100 kPa (0.79--1.00 bar)
9010
(11.5--14.5 psi) using No. 2 fuel
25
and no muffler
7
Turbocharger Boosta Pressure
74--93 kPa (0.73--0.93 bar)
(10.7--13.5 psi) using No. 1 fuel
and no muffler
a
Turbocharger boost pressure is reduced by 7% if using No. 1 fuel.
SERVICE EQUIPMENT AND TOOLS
JT05801 Clamp-On Electronic Tachometer
JT07290 Laptop Computer
JT07274G Excavator Diagnostics Program Disk
JT07273 Cable
JT07248 Turbo Boost Test Kit
OTHER MATERIAL
T43512 U.S. Thread Lock and Sealer (Medium Strength)
TY9473 Canadian Thread Lock and Sealer (Medium Strength)
242 LOCTITE Thread Lock and Sealer (Medium Strength)
This procedure must only be used as a guide to
determine engine condition.
1. Connect tachometer or the laptop computer with
excavator diagnostics program. (See JT05801
Clamp-On Electronic Tachometer Installation in this
group. For laptop computer, see procedure in Group
9025-25. Select "14 Actual engine speed" from Monitor
Data Items.)
LOCTITE is a trademark of Loctite Corp.
Continued on next page
CED,TX08227,3197
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