Volvo MOTOR GRADERS G930 - Manual (Page 6)

6
G930
Circle
Pitch diameter in (mm) 64 (1 626)
Thickness in (mm) 1.25 (32)
Adjustable guide shoes - standard / optional 3 / 5
Adjustable clamp plates - standard / optional 3 / 5
Upper circle wear plates - standard / optional 3 / 5
Circle to drawbar support is provided by Duramide™ wear plates and bearings at the clamp and guide shoes. Duramide™ prevents
metal-to-metal contact and provides maximum service life.
Circle drive
The Volvo dual gear Circle Drive System uses direct acting hydraulic power for exceptional turning and holding capability under
full load. Circle Drive System uses two hardened drive pinions and is protected against impact damage by an overload relief valve as
standard equipment.
Rotation degrees 360º
Drawbar
Dimensions of box section in (mm) 6.5 x 6.5 (165 x 165)
Plate thickness in (mm) 1 & .75 (25 & 19)
Cab & controls
Low profi le cab with ROPS/FOPS
Interior height
in (mm) 64 (1 620)
An optional full height cab is available with an inside height of 72.5" (1 837 mm).
All Volvo Grader cabs and canopies are designed to meet or exceed SAE J/ISO 3471-1:2004 and EN 13510:2000 ROPS
requirements and SAE J/pr EN ISO 3449:2002 Level 2 FOPS requirements.
The retractable seatbelt is 3" (76 mm) wide and meets SAE J386 NOV. 97 and EN ISO 6683:1999. Industry standardized control
lever arrangement.
Interior operator noise levels average
72 dB(A) per ISO 6394:1998 (enclosed cab).
Implement hydraulics
Circuit type: Closed center, load sense Proportional Demand Flow (PDF) Hydraulic System, with O-ring face seal hose connections.
Main implement pump type Axial piston type
Maximum pressure psi (Bar) 3,000 (207)
Output 2100 RPM gpm (lpm) 55 (208)
Stand by pressure psi (Bar) 350 (24)
Filtration
Large capacity, replaceable in-tank fi lter. Filters both system and re-fi ll oil. With low level and high temperature operator warning.
Hydraulic fan drive pump
Type
Axial piston pump dedicated to the variable speed cooling fan. Reversible cooling fan optionally available.
2007.05
036-454 Q4 930 web specs R2.indd 7 036-454 Q4 930 web specs R2.indd 7 5/9/07 12:02:40 PM 5/9/07 12:02:40 PM