HARVEY AH-3 Bedienungsanleitung

Contents

1. Foreword................................................................................................2

2. Warranty Information & Limitations...............................................3

3. Application............................................................................................ 3

4. Identification & Specification...........................................................4

5. Operations.............................................................................................6

6. Maintenance..........................................................................................9

1.前言..........................................................................................................12

2.质保信息..................................................................................................12

3.适用范围..................................................................................................12

4.组成及参数信息......................................................................................13

5.操作说明..................................................................................................15

6.日常维护..................................................................................................17

Exploded View and Parts List............................................................. 18

English Version

1. Foreword

Congratulations on your new AH-3 /AH-3T Arch Hold Down! We appreciate

your support in Harvey and hope that this product will serve you well for

many years to come!

In order to acquaint you to your new AH-3 /AH-3T Arch Hold Down, please

carefully review the information provided in this manual before assembling

or operating this product. This user manual is intended to help you better

understand how to safely assembly, properly use, and maintain your tool.

While this manual tries to cover all aspects of proper usage and safety

regulations, unfortunately we cannot cover everything. It is assumed that

the operator has experience with operating all tools and machineries used

in conjunction with our product. Failure to follow necessary and proper

safety precautions can result in serious damage or bodily injuries. We

recommend that the operator familiarize themselves with the product

before using the product. If you are unsure or need additional information

about our product, then please contact Harvey service team for assistance.

As a company, Harvey strives to continuously improve our products. We

reserve the rights to modify specifications, designs, operation, and

maintenance instructions as necessary without advance notice.

2. Warranty Information & Limitations

All Harvey products are warranted to be free from defects in material and

craftsmanship. We stand by our product and offer a limited one-year

warranty from the date of purchase. All warranty claims, repairs,

replacements should be serviced by Harvey or an authorized Harvey

service professional. Defective parts will be repaired or replaced by Harvey

at no additional charge. The warranty will not cover the following:

◆Normal wear, tear, and consumable parts

◆Abuse, misuse, or neglect of the product

◆Lack of proper care and maintenance

◆Use of non-genuine Harvey parts and/or components

◆Unauthorized repairs, alterations or modifications

◆Any force majeure, fire or explosion

3. Application

The AH-3 /AH-3T Arch Hold Down can be used for holding down a

workpiece in many different applications, however the intended purpose of

the two versions offered are as follows:

Model AH-3 (suitable for workbenches): Secured onto a

workbench by inserting through a workbench dog holes.

Model AH-3T (suitable for Harvey sliding table & sliding table

saws): Secured onto the T-slot of your Harvey ST-1400/ST-1500

sliding tables or any sliding table saw with a suitable T-slot.

IMPORTANT NOTE:

For AH-3T Arch Hold Down, the hold down does NOT fit standard 3/4”

T-slots as it was designed for sliding tables. The T-slot Locking Block has

two sectional dimensions to adapt to different types of T-slots. The

dimensions for T-Slot are as follows:

T-Slot Top Width: 15.5mm (5/8” in.)

T-Slot Height: 13mm (1/2” in.)

T-Slot Bottom Width (Cross Section 1): 30mm (1-3/16” in.)

T-Slot Bottom Width (Cross Section 2): 20mm (25/32” in.)

4. Identification & Specification

4.1 AH-3T Arch Hold Down

Specification

Max. Holding Force：246 lb

Max. Holding Thickness: 4-5/16"

Max. Throat Depth：3-5/32"

Package Dimension：16-1/2"×9-5/16"×3"

Gross / Net Weight：3.68lbs / 2.27lbs

Note: The size of the T-slot locking block is mainly suitable for the T-slot on

the woodworking sliding table. It can be installed into the T-slot from two

directions to adapt to different T-slots. The cross sections of the T-slot

locking block are shown in Fig.2, among which Cross Section 2 is designed

mainly be compatible with the Harvey ST-1400 and ST-1500 series sliding

tables.

The longer leg is the balancing leg, and the shorter leg is the working leg

used to clamp the workpiece.

No.

Name

Pressure Knob

Quick Release Button

Locking Slider

Arch Set

Knurled Knob

T-slot Locking Block

Jaw Block

Fig.1

Fig.2

Cross Section 2

Cross Section 1

4.2 AH-3 Arch Hold Down

Specification

Max. Holding Force：246 lb

Max. Holding Thickness：4-5/16"

Max. Throat Depth：3-5/32"

Compatible Table Hole Diameter: 3/4"~13/16"

Compatible Table Thickness：2"~6"

Package Dimension：16-1/2"×9-5/16"×3"

Gross / Net Weight：4.01lbs / 2.6lbs

Note: For 6" bench tops, the maximum holding thickness is 4-5/16” inches.

For bench tops of other thicknesses, the maximum holding thickness can

be increased by padding one end of the arch set.

The longer leg is the balancing leg, and the shorter leg is the working leg

used to clamp the workpiece.

No.

Name

Pressure Knob

Quick Release Button

Locking Slider

Arch Set

Stop Block

Knurled Knob

Jaw Block

Tension Block Set

Tension Block

Fig.3

5. Operations

5.1 Operations of AH-3T (for Sliding Tables)

AH-3T is primarily intended for holding down a workpiece on the sliding

table. The following instruction is applicable to the Harvey ST-1500 Sliding

Table as an example to detail the operation of the hold down. However, for

other applications, please use these instructions as reference.

1. Press and hold the Quick Release Button (B) to move the Arch

Set Assembly upward along the lead screw (as shown in Fig. 4a).

2. Choose a suitable side for installing the T-slot Locking Block (F)

and insert the T-slot Locking Block F into the T-slot on the sliding table

(as shown in Fig. 4a).

For ST-1500 Sliding Table, Cross Section 2 of the T-slot

Locking Block should be used.

3. Rotate the Knurled Knob (E) to secure the hold down to the sliding

table (as shown in Fig. 4b).

4. With workpiece positioned underneath the hold down, press and

hold the Quick Release Button (B) to slide the Arch Set Assembly

downwards. The two Jaw Blocks (G) should be positioned close to

Fig.4

the workpiece and the table surface respectively.

5. Once positioned correctly, release Quick Release Button (B) and

rotate the Pressure Knob (A) to secure the workpiece down to the

sliding table.

Note: Always double check the hold down to ensure that the workpiece is

firmly held down before performing any task. Multiple hold downs may be

necessary to properly secure a workpiece.

5.2 Operations of AH-3 (for Workbenches)

The AH-3 Arch Down is primarily intended for the benches with a

thickness of 2"～6". For benches of different thickness, the position of

Stop Block (E) must be set before using. The adjusting method is as

follows:

1. Measure the thickness (t) of the bench.

2. Loosen the two set screws on the

Stop Block (E) and set distance (L)

between the Stop Block (E) and the

bottom of the arch hold down as

shown in Fig. 5.

The distance of (L) = (t) + 2-3/16"

3. Once the position of Stop Block (E)

is determined and set, then secure

the set screws tightly.

Fig.5

The following instruction is applicable for a 2” bench as an example to

detail the operation of the hold down. However, for other applications,

please use these instructions as reference.

1. Before setting the Stop Block (E), press and hold the Quick Release

Button (B) to move the Arch Set Assembly upward along the lead screw

allowing clearance for adjusting the Stop Block (E).

2. Adjust the Stop Block (E) to be suitable for a 2" bench as directed in the

previous section above. For a 2” bench, the distance (L) should be as

follow:

L = 2" (Bench thickness) + 2-3/16"

L = 4-3/16"

3. Rotate and raise the Knurled Knob (F) to lightly touch the Stop Block

(E).

Fig.6

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