Manitowoc Grove CD3340B - Section 9 Brake System; Technical Data

GROVE 9-1
CD3340B/YB4411 BRAKE SYSTEM
9
Published 04/07/2015 Control # 569-00
SECTION 9
BRAKE SYSTEM
SECTION CONTENTS
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
Service Brake System. . . . . . . . . . . . . . . . . . . . . . 9-2
Parking Brake System . . . . . . . . . . . . . . . . . . . . . 9-3
Maintenance and Adjustments . . . . . . . . . . . . . . . 9-4
Service Brake Bleeding . . . . . . . . . . . . . . . . . . . . 9-4
Parking Brake Bleeding . . . . . . . . . . . . . . . . . . . . 9-4
Parking Brake Adjustment . . . . . . . . . . . . . . . . . . 9-5
Accumulator Charging . . . . . . . . . . . . . . . . . . . . . 9-5
Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
Brake Piston Seal Leakage Test . . . . . . . . . . . . . 9-5
Service Brake Repair . . . . . . . . . . . . . . . . . . . . . . . 9-7
Parking Brake Repair . . . . . . . . . . . . . . . . . . . . . . . 9-7
Lining Kit Replacement . . . . . . . . . . . . . . . . . . . . . 9-7
Repair Kit Installation. . . . . . . . . . . . . . . . . . . . . . . 9-8
Seal Kit Installation . . . . . . . . . . . . . . . . . . . . . . . 9-10
Brake Modulating Valve Repair . . . . . . . . . . . . . . 9-12
Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . 9-14
Service Brakes. . . . . . . . . . . . . . . . . . . . . . . . . . . 9-14
Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-14
TECHNICAL DATA
Table 9-1
FRONT AXLE BRAKES
Table 9-2
ACCUMULATOR
Table 9-3
ACCUMULATOR CHARGING VALVE
Type Wet disc brake
Actuation Hydraulic piston
Location Inboard - Axle center casing (2 brake sets)
Brake discs One each side
Counterdiscs Two each side
Nominal brake disc thickness 4.83 mm (0.19 in)
Nominal counterdisc thickness 5 - 10.8 mm (0.196 - 0.425 in)
Maximum brake disc wear (each side) 0.15 mm (0.006 in)
Maximum brake counterdisc wear NA
Nominal brake piston stroke 1 mm (0.030 in)
Oil displacement for brake actuation 8.9 ml (0.30 oz)
Type Piston, Hydro-pneumatic
Volume 2632 cu. cm (120.63 cu. in)
Nitrogen Recharge
Pressure
5171 ± 275 kPa (750 ± 40
psi)
Nominal Accumulator
Charge Rate
10.2 ± 1.9 L/min (2.7 ± 0.5
gal/min)
Nominal High Limit.
13 790 ± 345 kPa (2000 ±
50 psi)
Nominal Low Limit
11 376 ± 345 kPa (1650 ±
50 psi)
Reference Only