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INSTRUCTIONS
*99TA520029*
*99TA520029* (for RCD use only)
Description: Motor Mount Kit
Author: R.C.
Part Number: 50HJ660009
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service, maintenance or use can cause
explosion, fire, electrical shock, or other conditions which may cause death, personal
injury, or property damage. Consult a qualified installer, service agency, or your
distributor or branch for information or assistance. The qualified installer or agency must
use factory—authorized kits or accessories when modifying this product.
DISCRIPTION AND USAGE
This instruction manual covers installation of the indoor fan blower motor mounting kit to
replace mounting plate's 50HJ402383 and\or 50HJ502179 and\or
read all instructions before starting.
This kit consists of:
ITEM DESCRIPTION
1
MOTOR MOUNT (18.42 X 8.86 X 2" DEEP)
2
BRACKET, MOTOR (1" X 3")
3
BRACKET, SUPPORT (9.65" X 1.89")
4
BRACKET,SPRT(ANGLE 1.25 X 1.25 X 17.72)
5
INSTALLATION INSTRUCTIONS
6
BOLT-5/16-18 X 1-3/4" CARRIAGE
7
BOLT-5/16-18 X 1" CARRIAGE
8
NUT-5/16-18
9
WASHERS-5/16" LOCK
10
WASHERS-5/16" FLAT
11
WASHERS-5/16" STAR
12
BOLT-5/16-18 X 12" CARRIAGE
13
SCREW 10-16 X 1/2 LG (THREAD FORMING)
Replacement Components Division @ Carrier Corporation 06/05
99TA520029.doc
Instruction Sheet Number:
Date: October 1, 2007
50DK504885
PART NUMBER
50HJ542487
50HJ542490
50HJ542489
50HJ542491
99TA520029
AH20AB204
AH19AB198
AT39AB201
AU11AS201
AU02AB202
AU27AS201
AH19AB552
AL76AU216
Page 1 of 6
99TA520029
. Please
QTY
1
2
2
1
1
4
4
12
12
12
2
2
6
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Summary of Contents for Carrier 50HJ660009
- Page 1 BOLT-5/16-18 X 1-3/4" CARRIAGE AH20AB204 BOLT-5/16-18 X 1" CARRIAGE AH19AB198 NUT-5/16-18 AT39AB201 WASHERS-5/16" LOCK AU11AS201 WASHERS-5/16" FLAT AU02AB202 WASHERS-5/16" STAR AU27AS201 BOLT-5/16-18 X 12" CARRIAGE AH19AB552 SCREW 10-16 X 1/2 LG (THREAD FORMING) AL76AU216 Replacement Components Division @ Carrier Corporation 06/05 99TA520029.doc carrierinstr.dot...
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Page 2: Installation
Page 2 of 6 99TA520029 Instruction Sheet Number: INSTALLATION 1. 1. Remove existing motor mounting plates (50DK504885 and 50HJ502179) from blower housing as shown in Figure 1 before installing new motor mounting hardware. Discard these parts. 50HJ502179 50DK504885 Typical Limit Switch Location Figure 1 - Existing motor mount hardware. - Page 3 Page 3 of 6 99TA520029 Instruction Sheet Number: 3. Assemble 12” Carriage Bolts (item #12) to Motor Mount (item #1) using two Motor Bracket (item #2) and four screws (item #13). Thread two Nuts (item #8) about half way down the Carriage Bolts.
- Page 4 Page 4 of 6 99TA520029 Instruction Sheet Number: 5. Install Motor to Motor Mount with four 1” Carriage Bolts, four Flat Washer, four Lock Washer, one star washer and four Nuts (items #7, 8, 9 and 10). The one star washer should be placed next to the painted surface of the motor base so that the star washer cuts into the paint and provides a ground path for the motor.
- Page 5 Page 5 of 6 99TA520029 Instruction Sheet Number: 6. Install belt and adjust belt tension by turning four nuts on both motor plate adjusting bolts so that motor plate remains horizontal to fan deck within 1/8 inch from front to back.
- Page 6 Page 6 of 6 99TA520029 Instruction Sheet Number: Figure 9 – Belt and Sheave Alignment Figure 10...