Yale HOISTS YJC680, Operating, Maintenance & Parts Manual

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Yale YJL series electric chain hoists are rugged, portable hoists
that provide quick, precise lifting. The hoists are constructed of
tough, but lightweight, die cast aluminum alloy housings. An oil
bath transmission, equipped with heat-treated, alloy steel
gears and an overload limiting clutch, provides smooth and
reliable operation. With a pushbutton station that fits
comfortably in one hand, the operator can safely control the
hoist while the other hand is free to guide the load. The
electrical controls use a low voltage circuit (24V standard,
115V optional). Terminal blocks allow for easy voltage
conversions on dual-voltage models.
Other features that ensure the safe operation of Yale electric
chain hoists include a magnetic disc brake that delivers sure
stopping and secure holding of the load. Adjustable upper and
lower limit switches regulate the load travel. As a standard,
hooks are supplied with safety latches. For additional safety,
a chain stop is attached to the slack end of the load chain.
Yale electric chain hoists are designed and tested in
accordance with the American Society of Mechanical
Engineers Code B30.16, “Safety Standard for Overhead
Hoists.” Hoists are built in compliance with CSA, file number
LR 44484. Made in U.S.A.
* The 1HP, 115/230V models must have a dedicated power
circuit rated for at least 20A, 125V when they are wired for
115V. It is not unusual for these models to draw up to 20
amps at 115V when lifting at rated capacity depending on
the quality of the voltage source.
NOTE: The above data is the nominal motor current at full
load. At full load, it is not unusual for the hoist to draw
in excess of the values listed when lifting. It is critical to ensure
that the voltage at the reversing contactor does not drop below
10% of the nominal voltage while lifting a load. Low voltage will
result in higher amp draw, damage to the hoist, and potential
fire hazards. Yale Hoists is not responsible for any damages
caused by an inadequate power source.
Failure to comply with Safety Precautions outlined
throughout this manual can result in serious injuries
or death. Before using this hoist, each operator
should become thoroughly familiar with all warnings,
instructions and recommendations in this manual.
TABLE OF CONTENTS
Safety Precautions ......................................................................................................................................................................2
Hoist Specifications.....................................................................................................................................................................3
Application Information ...............................................................................................................................................................4
Safety Information .......................................................................................................................................................................4
Installation ...................................................................................................................................................................................4
Operation ....................................................................................................................................................................................6
Maintenance ...............................................................................................................................................................................6
Trouble Shooting .......................................................................................................................................................................12
Wiring Diagrams .......................................................................................................................................................................13
Inspection and Maintenance Check List ...................................................................................................................................16
Recommended Lubrication Schedule.......................................................................................................................................17
Replacement Parts List.............................................................................................................................................................18
Warranty .....................................................................................................................................................................Back Cover
Full Load Amps
Hoist 1-Phase 3-Phase
Horsepower 115/230V 208V 230/460V 380V 575V
1/4 HP 4.3/2.2 1.3 1.2/.6 .73 .35
1/2 HP 7.6/3.8 2.3 2/1 1.2 .76
1 HP 14/7* 3.6 3.2/1.6 1.9 1.2
Hoist Full Load Amps (fast/slow)
Horsepower 3-Phase Only
(fast/slow)
208V 230V 380V 460V 575V
.25/.083 1.2/1.3 1/1.1 .61/.67 .5/.55 .4/.44
.5/.17 1.9/2.4 1.7/2.1 1.1/1.3 .88/1.1 .7/.85
1/.33 3.6/4.3 3.2/3.8 1.9/2.3 1.6/1.9 1.3/1.5
Table 2 - Motor Amperage of 1-Speed Hoist Models
Table 3 - Motor Amperage of 2-Speed Hoist Models
HOIST SPECIFICATIONS
Lifting
Model* Capacity Speed HP Reeving
Number (lbs) (fpm)
YJL1/8-**TH32S1 250 32 1/4 Single-chained
YJL2-**TH8S1 4000 8 1 Double-chained
YJL1-**TH16S1 2000 16 1 Single-chained
YJL1/4-**TH32S1 500 32 1/2 Single-chained
YJL1/2-**TH16S1 1000 16 1/2 Single-chained
YJL1/2-**TH32S1 1000 32 1 Single-chained
YJL1/4-**TH16S1 500 16 1/4 Single-chained
Table 1 - Hoist Specifications
*Note: YJL*PT models are equivalent to the corresponding YJL*TH,
but are supplied with a plain trolley and lug suspension. Model
numbers for these units are the same as above except “TH” is
replaced by “PT”. Similarly lug mounted units are noted as “LG”.
**Note: To complete Model Number, insert lift in place of asterisks.