Reference
Only
SET-UP AND INSTALLATION
2250 MAX-ER 2000 OPERATOR’S MANUAL
4-26
Published 01-08-13, Control # 049-05
Install Boom
See Boom Rigging in this section for boom installation
instructions.
Install Jib
See Jib Rigging in this section for jib installation instructions.
If a luffing jib will be installed, see MAX-ER Luffing Jib
Operator’s Manual for luffing jib installation instructions.
Install Load Line
See Load Block Reeving in this section for proper routing
and reeving of load lines.
Install Block-Up Limit Control
See Block-Up Limit Control in Section 6 of this manual for
block-up limit control installation and adjustment instructions.
ADJUSTMENTS
Adjust following components:
•
Boom and jib and jib angle indicators.
•
Automatic boom stop.
•
Block up limit control limit switches.
•
Counterweight cylinder limit switch adjustment (for
controlling how high counterweight rises).
MAX-ER OPERATION
See Section 3 in this manual for operating precautions and a
description of the MAX-ER operating controls. The MAX-ER
mode must be selected and confirmed.
NOTE:
Axle wedges must be in operating position for
crane operation (Figure 4-13).
PRE-RAISING CHECKS
Perform following pre-raising checks and correct any defects
before raising boom and jib.
❏
Crane is on firm, level surface.
❏
Crawlers are blocked if required per Capacity Chart.
❏
All connecting pins are installed and properly retained.
❏
Boom inserts and straps are installed in proper
sequence.
❏
Intermediate suspension pendants are installed, if
required.
❏
All insert and strap connecting pins are installed and
properly retained.
❏
Jib inserts and pendants are installed in proper
sequence.
❏
Proper crane counterweight and, if required, MAX-ER
counterweight is installed
❏
Load lines are spooled tightly onto drums and engaged
with proper sheaves. Load lines are securely anchored
to sockets at boom points or at load block and weight
ball.
❏
All blocking, tools, and other items are removed from
boom and jib.
❏
Electronic boom angle indicator is properly installed and
adjusted.
❏
Block-up limit control is properly installed and
operational.
❏
Load moment indicator is properly installed and
operational.
❏
Automatic boom stop is installed and properly adjusted
(after boom and jib are raised).
❏
Crane and attachment are properly lubricated.
❏
Wind is within allowable limits for operation.
MAX-ER DISASSEMBLY PROCEDURES
Prepare Crane
Position crane in selected disassembly area. Area must
have adequate space for boom length and accommodate
movement of an assist crane.
Lower Boom
1.
If required for boom length in use, block crawler rollers
on end of crane from which boom will be lowered.
2.
Lower boom onto blocking at ground level. Continue to
boom down until boom hoist equalizer comes to rest on
equalizer rails and counterweight straps slacken.
WARNING
Tipping Hazard!
Block crawlers, if required, before lowering boom to
ground.
See Capacity Chart for blocked crawler requirements and
for instructions.
