Genie Z-34/22IC, Service Manual

Page: 21 / 185

Part No. 128267 Z-34/22 IC 2 - 7
Section 2 • Specifications July 2007
REV A
Continuous improvement of our products is a
Genie policy. Product specifications are
subject to change without notice.
Kubota DF-752 Engine
Displacement 45.21 cu in
0.74 liters
Number of cylinders 3
Bore & stroke 2.68 x 2.68 inches
68 x 68 mm
Horsepower, gross intermittent 24.8 @ 3600 rpm
18.5 kW @ 3600 rpm
Firing order 1 - 2 - 3
Low idle 1600 rpm
320 hz
High idle 3000 rpm
600 hz
Governor centrifugal ball mechanical
Compression ratio 9.2:1
Compression pressure (approx.) 128 to 185 psi
8.8 to 12.7 bar
Valve clearances, cold 0.0057 to 0.0072 inches
0.145 to 0.183 mm
Lubrication system
Oil pressure 28 to 64 psi
(operating temp. @ 3850 rpm) 1.9 to 4.4 bar
Oil capacity 3.4 quarts
(including filter) 3.25 liters
Oil viscosity requirements
Units ship with 15W-40.
Extreme operating temperatures may require the use of
alternative engine oils. For oil requirements, refer to the
Engine Operator Handbook on your machine.
Fuel pump
Fuel pressure, static 2.84 psi
0.19 bar
Fuel flow rate 0.125 gpm
0.47 L/min
Starter motor
Brush length, new 0.669 in
17 mm
Brush length wear limit 0.453 in
11.5 mm
Brush spring tension 50 to 91 ounces
13.9 to 25.3 Newtons
Battery
Type 12V DC
Group 34/78
Quantity 1
Ampere hour 75AH
Cold cranking ampere 900A
Reserve capacity @ 25A rate 125 minutes
Ignition System
Ignition spark advance 18° BTDC
Ignition coil primary 1.3 to 1.6
Ω
resistance @ 75°F / 24°C
Ignition coil secondary 10.7 to 14.5 k
Ω
resistance @ 75°F / 24°C
#1 Spark plug wire resistance 2.81 to 4.79 k
Ω
#2 Spark plug wire resistance 3.4 to 5.8 k
Ω
#3 Spark plug wire resistance 3.57 to 6.09 k
Ω
Spark plug type NGK BKR4E-11
Spark plug gap 0.039 to 0.043 inches
1 to 1.1 mm
Engine coolant
Capacity 3.1 quarts
2.9 liters
Alternator
Output 30A, 14V DC
Fan belt deflection
1
/
4
to
3
/
8
inch
7 to 9 mm
SPECIFICATIONS