JLG 680S Service Manual - Manual (Page 19)

SECTION 1 - SPECIFICATIONS
3121234 – JLG Lift – 1-3
Battery
1.5 TIRES
Machine Orientation When Doing Speed
Tests
Lift: Telescope Retracted. Lift Up, Record Time, Lift Down,
Record Time.
Swing: Boom at Full Elevation. Telescope Retracted.
Swing the Turntable 360 degrees, Record Time. Swing the
Opposite Direction, Record Time.
Telescope: Boom at Full Elevation; Telescope Retracted;
Telescope Out, Record Time. Telescope In, Record Time.
Drive (Forward/Reverse): Test should be done on a
smooth level surface. Drive Select Switch should be set to
High Engine. Results should be recorded for a 200 ft.
course. Drive Forward, Record Time. Drive Reverse,
Record Time.
Drive (Elevated): Test should be done on a smooth level
surface. Drive Select Switch should be set to High Engine.
Results should be recorded for a 50 ft. course. Drive For-
ward, Record Time. Drive Reverse, Record Time.
Platform Rotate: Platform level and completely rotated
one direction. Rotate the opposite direction, Record Time.
Rotate the other direction, Record Time.
Articulating Jib: Platform level and centered with the
boom. Start with the Jib down. Jib Up, Record Time. Jib
Down, Record Time.
Table 1-8. GM 3.0L
Fuel Gasoline or Gasoline/LP Gas
No. of Cylinders 4
BHP
Gasoline
LP
83 hp @ 3000 rpm
75 hp @ 3000 rpm
Bore 4.0 in. (101.6 mm)
Stroke 3.6 in. (91.44 mm)
Displacement 181 cu.in. (3.0 L, 2966 cc)
Oil Capacity w/filter 4.5 qts. (4.25 L)
Minimum Oil Pressure
at idle
Hot
6 psi (0.4 Bar) @ 1000 rpm
18 psi (1.2 Bar) @ 2000 rpm
Compression Ratio 9.2:1
Firing Order 1-3-4-2
Max. RPM 2800
Table 1-9. Battery Specifications
Voltage 12 Volt
Type 31-5
Cold Cranking Amps 1000 CCA @ 0° F (-18° C)
Reserve Capacity 210 Minutes @ 80° F (27° C)
Table 1-10. Tire Specifications
Size Type
Ply
Rating
Load
Range
Weight
(Tire & Wheel)
15 - 625 Pneumatic
95 psi (6.5 Bar)
16 H 269 lbs.
(122 kg)
15 - 625 Foam-Filled 16 H 544 lbs.
(247 kg)
18 - 625 Pneumatic
85 psi (6.5 Bar)
16 H 288 lbs.
(131 kg)
18 - 625 Foam-Filled 16 H 601 lbs.
(273 kg)
41/ 18LL x 22.5 Foam-Filled 16 H 724 lbs.
(329 kg)
Table 1-11. Function Speeds (In Seconds)
Function Speed
Lift Up 59-75
Lift Down 57-75
Swing Right & Left* 110-135
Telescope Out 59-65
Telescope In 45-57
Platform Rotate Right & Left** 18-30
Jib Up N/A
Jib Down N/A
Drive (Forward) 33-45
Drive (Reverse) 33-45
Drive (Elevated) 46-75
*Max 10% Difference Between Left & Right
**Max 15% Difference Between Left & Right