Gradall 534C-10 (2460-4129) Service Manual - Manual (Page 89)

1
Section 1
Introduction
Description
The Meritor PRA 352 Series Planetary Axle is a
double reduction single speed unit that has:
•
A hypoid or spiral pinion and ring gear set
•
Bevel gears in the differential assembly with 2 or
4 differential pinion gears
•
A differential case assembly mounted on two
tapered roller bearings
•
A planetary system with 3 or 4 planetary pinion
gears
•
A trunnion mounting option
•
An oil bath disc brake system in three different
designs:
1. Ball and Ramp
2. Hydraulic Apply Wet Disc
3. Three Function Brake
Identification
A tag on the main housing correctly identifies basic
axle specifications.
When ordering parts, be sure to specify information
stamped on the name plate. This information will
allow easy identification of correct parts.
P R O A 3 5 2 G 2 M
P - PLANETARY R - RIGID
IF APPLICABLE:
O - OSCILLATING OR PIN
MOUNTING
HOUSING TYPE DESIGNATION:
A - POT OR SPLIT CARRIER
WET DISC BRAKE DESIGNATION:
W2H - 3 FUNCTION/HYDRAULIC APPLY
G2H - HYDRAULIC BALL AND RAMP
G2M - MECHANICAL BALL AND RAMP
NOTE: ALL BRAKES ARE 9 INCH
DIAMETER (229 mm)
DIFFERENTIAL:
2 - SPIRAL
3 - HYPOID
WHEEL END NUMBER OF
PLANETARY GEARS:
35 - 3 PLANETARY GEARS
38 - 4 PLANETARY GEARS