PREVOST X3-45 COMMUTER User Manual

SECTION 00 : GENERAL INFORMATION
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual First release Oct 2020
9
The metric fasteners used on the coach are designed to new standards and may not yet be manufactured
by some non-domestic fastener suppliers. In general, except for special applications, the common sizes
and pitches are:
M 8 X 1.25;
M 10 X 1.5;
M 12 X 1.75;
M 14 X 2;
4.2 STANDARD TORQUE SPECIFICATIONS
The following table lists the standard tightening torque for bolts and nuts, relating tightening torque to
thread diameter. Use the following table as a general guide for tightening torque. Use this table only for
the bolts and nuts which do not require a specific torque value. All of the values are for use with dry
solvent-cleaned threads.
4.2.1 SAE
TYPE DESCRIPTION THREAD GRADE
RECOMMENDED
TORQUE
Tolerance: ±10%
SAE 1/4-20 unc 5 96 lb-in (11 Nm)
SAE 1/4-20 unc 8 135 lb-in (15 Nm)
SAE 1/4-28 unf 5 106 lb-in (12 Nm)
SAE 1/4-28 unf 8 149 lb-in (17 Nm)
SAE 5/16-18 unc 5 188 lb-in (21 Nm)
SAE 5/16-18 unc 8 266 lb-in (30 Nm)
SAE 5/16-24 unf 2 131 lb-in (15 Nm)
SAE 5/16-24 unf 5 202 lb-in (23 Nm)
SAE 5/16-24 unf 8 286 lb-in (32 Nm)
SAE 3/8-16 unc 5 27 lb-ft (37 Nm)
SAE 3/8-16 unc 8 38 lb-ft (52 Nm)
SAE 3/8-24 unf 5 30 lb-ft (41 Nm)
SAE 3/8-24 unf 8 42 lb-ft (57 Nm)
SAE 7/16-14 unc 5 43 lb-ft (58 Nm)
SAE 7/16-14 unc 8 60 lb-ft (81 Nm)
SAE 7/16-20 unf 5 46 lb-ft (62 Nm)
SAE 7/16-20 unf 8 65 lb-ft (88 Nm)
SAE 1/2-13 unc 5 65 lb-ft (88 Nm)
SAE 1/2-13 unc 8 92 lb-ft (125 Nm)
SAE 1/2-20 unf 5 71 lb-ft (96 Nm)
SAE 1/2-20 unf 8 100 lb-ft (136 Nm)
SAE 9/16-12 unc 5 94 lb-ft (127 Nm)

PREVOST X3-45 COMMUTER Specifications

General

Engine	Volvo D13
Transmission	Allison B500
Fuel Type	Diesel
Length	45 ft (13.7 m)
Width	102 in (2.6 m)
Horsepower	500 hp
GVWR	54, 000 lbs
Height	141 in