Terex C5000 Series Manuel utilisateur

TEREX UTILITIES TECHNICAL SUPPORT TEAM

PHONE: 1-844-TEREX4U (1-844-837-3948) | EMAIL: [email protected]

MODEL(S): TOOLS NEEDED:SERVICE CALL:

NO.

PLANETARY SLIP DRIVE

ROTATION C5000 (AFTER 7/03)

C6000 (AFTER 1/02)

C7000 (AFTER 10/02)

GENERAL (AFTER 9/96)

GENERAL 95

S-WRENCH SET

LOAD CELL

HYDRAULIC PRESSURE GAUGE

SIDE PULL SHEAVE (Z653)

ALLEN WRENCH SET

SUITABLE ANCHOR

PLANETARY SLIP DRIVE ROTATION

DANGER

Failure to obey the instructions and safety

rules in the appropriate Operator’s Manual and

Service Manual for your machine will result in

death or serious injury.

Many of the hazards identied in the

Operator’s Manual are also safety hazards

when maintenance and repair procedures are

performed.

DO NOT PERFORM

MAINTENANCE UNLESS:

√You are trained and qualied to perform

maintenance on this machine.

√You read, understand and obey:

•manufacturer’s instructions and safety rules

•employer’s safety rules and worksite

regulations

•applicable governmental regulations

√You have the appropriate tools, lifting

equipment and a suitable workshop.

The information contained in this Tech Tip is a

supplement to the Service Manual. Consult the

appropriate Service Manual of your machine for

safety rules and hazards.

PAGE 2 OF 15

TECH TIP 11 | RELEASED 02.28.2022 | VERSION 1.0

PAGE 3 OF 15

CONTENTS

TECH TIP#11

TOC

4| Introduction

6| Bring the unit up to operating temperature.

STEP 1

8| Setting the Minimum Rotation Pressure

STEP 2

9| Boom Position

STEP 3

10 | Connecting the Load line to the Anchor

STEP 4

11 | Verifying minimum parking brake force.

STEP 5

12 | Setting hydraulic motor force

STEP 6 - STEP 7

14 | Return to service.

STEP 8

TECH TIP 11 | RELEASED 02.28.2022 | VERSION 1.0

INTRODUCTION

The planetary slip drive rotation utilizes both a mechanical parking brake and a hydraulic valve

braking system.

There are three parts to the rotation system on a Digger Derrick to protect the unit from structural

overload of the boom or rotation system.

1. The parking brake is used to lock the boom in position when the rotation system is not being used

such as road travel. The mechanical brake, located on top of the planetary gearbox, is either full

on or full off. There is typically no lubricant in this mechanical parking brake.

2. The rotation port relief valves limit the maximum side force that the rotation system will generate

when rotating the boom.

3. The slip drive protects the boom when winching or while digging or setting screw anchors when a

side load is generated.

When rotating, digging, or winching, a hydraulic pilot signal is sent to release the mechanical parking

brake. During any of these operations, a sequence valve located in the rotation slip drive hydraulic

manifold performs the braking. If a side load exceeds the sequence valve setting, the slip drive will

slip by back-driving through one of the two sequence valves. The Old-Style valve was used up until

1/1/2016. Anything after that date will have the New Style valve as shown below.

New Style Old Style

Planetary Slip Drive Test & Adjustment

PAGE 4 OF 15

TECH TIP 11 | RELEASED 02.28.2022 | VERSION 1.0

INTRODUCTION

On units with a turret mounted worm gear winch, there is a guard available to help keep the rope

from getting hooked on the valve assembly on the rotation motor. The kit to order is Z-1500.

PAGE 5 OF 15

The anchor must be capable of holding up to 2,500 lbs. of force

TECH TIP 11 | RELEASED 02.28.2022 | VERSION 1.0

STEP 1: Set-up

Bring the unit up to operating temperature. Operate the rotation for several revolutions in each

direction to prime the hydraulic lines. Locate a suitable anchor capable of holding 2500 lbs. in an

area with no overhead obstructions. The area on each side of the anchor must be clear to be able

to position the boom on both sides and apply side load. Position and set up the truck near the

anchor so the load line can be positioned to pull with the side pull attachment at 300 inches from the

centerline of rotation except on the General 95.

Test Set-up - All units except General 95

PAGE 6 OF 15

The anchor must be capable of holding up to 2,500 lbs. of force

TECH TIP 11 | RELEASED 02.28.2022 | VERSION 1.0

STEP 1: Set-up

With a General 95 position and set up the truck near the anchor so the load line can be positioned

to pull with the side pull attachment at 329 inches from the centerline of rotation. This should be fully

retracted.

General 95 Test Set-up

PAGE 7 OF 15

TECH TIP 11 | RELEASED 02.28.2022 | VERSION 1.0

STEP 2: Setting the Minimum Rotation Pressure

Set the counter-balance valves, C1 and C2 or CB1 and CB2 located in the rotation slip drive

hydraulic manifold, to 800 – 1,000 PSI. This is accomplished by installing a hydraulic pressure gauge

at the inlet of the derrick control valve. Meter into rotation and monitor the hydraulic gauge pressure

required for initial boom movement in each direction. One counter-balance valve adjusts clockwise

rotation while the other adjusts counter-clockwise.

Old Style Pre 1/1/2016

PAGE 8 OF 15

TECH TIP 11 | RELEASED 02.28.2022 | VERSION 1.0

STEP 3: Boom Position

With the truck in the working position, rotate the boom off the back or side placing the sheave

head approximately four to six feet off the ground. The boom should be positioned so the anchor is

perpendicular to the boom as shown in the diagram on page 5. When performing any of the following

steps for all units except the General 95, the load line must be perpendicular to the boom at 300

inches from the centerline of rotation and approximately level. The General 95 must be full retracted

at 329 inches from the centerline of rotation.

New Style after 1/1/2016

PAGE 9 OF 15

TECH TIP 11 | RELEASED 02.28.2022 | VERSION 1.0

STEP 4: Connecting the Load Line to the Anchor

Attach a load cell between the load line and the xed anchor using a side pull sheave. Do not try to

side pull without this adapter or load line will be damaged.

The side pull sheave is attached to the second and the third is extended enough to prevent rope

damage and allow the line to align with the side pull sheave. On all units except the General 95, the

second section is extended so that the line comes off 300 inches from the centerline of rotation. The

General 95 is fully retracted at 329 inches.

The side pull sheave is only used for testing. Side pull is not permitted

during operation, only for testing purposes.

PAGE 10 OF 15

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