Hired-Hand Farm Hand Series: Heat Sink Grounding Instructions - Manual

Heat Sink Grounding Instructions
for
Farm Hand Stage Master or Farm Hand Swine Finisher
HIRED-HAND MFG., INC. • 1733 County Road 68 • Bremen, Alabama 35033 • Phone 256-287-1000 • Fax 256-287-2000
Manual Part No. 4802-5089 rev 04-04 Page 1 of 1
DESCRIPTION
This instruction sheet provides information and photos to
correctly ground the circuit board heat sink during board
replacement of the Farm-Hand Stage Master or Swine
Finisher.
Tools Required
Philips Screwdriver Nut-Driver Set Needle Nose Pliers
HEAT SINK GROUNDING
INSTRUCTIONS
1. Ensure All Power Is Removed From Connections
And The Power Cord Is Unplugged.
2. Install the Ground screw from the inside of the
enclosure through the Triac and heat sink. Refer to
Figure 1 and IMPORTANT NOTES.
3. Place the Ground wire spade terminal between the
screw head and the Triac tab.
4. Install the Ground nut to the Ground screw on the
outside of the heat sink and tighten securely. Refer
to Figure 2.
HEAT SINK GROUNDING COMPLETE!
Replacement Numbers
Part Number Model
Part Number Model
Replacement Boards 6407-1313 PCB 150 12S
6407-1331 PCB 150 8S
6407-1309 PCB 145 SF
Controllers 6607-1551 FH-S5-S-1
6607-1516 FH-S5-S-2
6607-1526 FH-SM12-S-2
6607-1536 FH-SM08-S-2
DANGER
HAZARDOUS VOLTAGES
Failure To Follow These Instructions May Result in Injury
Or Death!
• Only A Certified Electrician Should Replace Circuit
Boards Assemblies.
• Do Not Perform Maintenance Without First
Removing All Power And Unplugging The Power
Cord.
!
NEW UT 1018 Module
Ground Nut
Heat Sink
FIGURE 2: Heat Sink
(Outside View)
PCB Ground
Wire
Spade
Terminal
Ground Screw
Triac
FIGURE 1: Replacement Circuit Board
(Inside View Example)
NOTE: PCB Ground Wire Made Available After 4/09/2004.
IMPORTANT!
1. Place the Spade
Terminal between the
screw head and the
Triac tab as shown.
2. DO NOT place the Spade
Terminal between the
Triac tab and heat sink.
3. Ensure the Triac is
completely flush against
the heat sink.