Branick 7400 Use and care manual

Branick Industries, Inc. •4245 Main Avenue •P.O. Box 1937 •Fargo, North Dakota 58103
REV112712 P/N: 81-0103A
Installation, Operation
& Repair Parts
Information
MODEL 7400
STRUT SPRING
COMPRESSOR

1
TABLE OF CONTENTS _______________________________________________________
SAFETY INSTRUCTIONS 1
DEFINITIONS 1
SPECIFICATIONS 2
INSTALLATION INSTRUCTIONS 2
OPERATING INSTRUCTIONS 3
Positioning the Strut Assembly 3
Disassembly 6
Reassembly 7
MAINTENANCE 7
REPAIR PARTS 8
WARRANTY 10
SAFETY INSTRUCTIONS _____________________________________________________
•NEVER allow unauthorized personnel to operate this product.
•NEVER use this product for anything other than its intended use.
•THOROUGHLY train new employees in the proper use and care of this product.
•PROHIBIT unauthorized personnel from being in shop area while this product is in use.
DEFINITIONS _______________________________________________________________
•CAUTION: Indicates a potentially hazardous situation, which if not avoided, may result in damage to
property or minor personal injury.
•HAZARD: A source of potential injury to a person.
•MAINTENANCE: Those actions that preserve the correct and proper conditions under which the
machine shall be used. This may include adjustment, replacement of wear items, lubrication and
cleaning, but not modifications or repair of damage.
•MAY: This word is understood to be permissive.
•MUST: This word is understood to be mandatory.
•OPERATION: The correct and proper use of the machine as described in this manual.
•SAFETY ALERT SYMBOL: A symbol that indicates a potential personal safety hazard. It is composed
of an equilateral triangle surrounding an exclamation point.
•SHALL: This word is understood to be mandatory.
•SHOULD: This word is understood to be advisory.
•WARNING: Indicates a potentially hazardous situation, which if not avoided, may result in death or
serious personal injury.

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SPECIFICATIONS ___________________________________________________________
Max. Spring Compression Capacity ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 3000 lbs (1361 kgs)
Min./Max. Spring Diameters ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 3.5 / 11.5 in (9 / 29 cm)
Packaged Dimensional data ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 18.5 x 20 x 43.63 in (47 x 51 x
111 cm)
Shipping Weight ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 95 lbs (43 kgs)
INSTALLATION INSTRUCTIONS________________________________________________
1. Unpack and remove the unit from the shipping carton.
2. Inspect the unit for any visible damage.
3. Install on a solid vertical wall or post. (Can also be installed on an OPTIONAL benchmount and portable
cart)
4. Anchor the unit to the wall or post utilizing the two holes in the back plate. Make sure there is no
movement between the back plate and wall or post.
CAUTION
♦Before using this product, read and fully understand the operating
instructions and all decals on the product. This is necessary to
prevent injury to the operator and damage to the product.
♦Do not attempt to use this product for anything other than its
intended purpose.
♦Do not use this product if it is visibly worn, distorted or damaged.
♦Always check condition of rubber hook pads on all six hooks before
using this tool. Replace if damaged or missing.
♦Always wear appropriate eye protection.
♦Inspect the spring of the strut assembly for any damage or
corrosion. Spring breakage during compression could cause injury.
WARNING
♦Failure to properly position the strut assembly in tool could result in
serious injury from sudden release of the strut assembly parts.

3
OPERATING INSTRUCTIONS________________________________________________
Step 1. Positioning the Strut Assembly
A) Adjust lower right hook to a position just below the lower center hook. Adjust lower left hook to a position
just above the lower center hook.
B) Place strut assembly on the lower center hook using the lowest possible coil of the spring.
C) Engage lower left and right hooks with spring. Center the spring within lower hooks. The three lower
hooks should be equally extended.
CORRECT INCORRECT

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D) Align strut assembly by adjusting the lower left and right hooks. When properly aligned, the spring of the
strut assembly will be parallel to the posts of the tool when viewed from both the front and side.
Front Front
CORRECT INCORRECT
Side Side
CORRECT INCORRECT
E) Identify the strut assembly type you are servicing.
Type 1 Type 2
This type of strut has a bearing plate (which This type of strut has a bearing plate (which
rotates) and upper spring seat. Place upper rotates) and upper spring seat without space
hooks on the upper spring seat. Do not between them. Place upper hooks on the
place hooks on bearing plate. highest coil of the spring. Do not place hooks
on bearing plate.

5
Type 3 Type 4
This type of strut has only an upper spring This is a coil over shock. Place upper hooks
seat. Place upper hooks on upper spring on the highest coil of the spring.
seat.
F) Engage all three upper hooks as shown above for the type of strut assembly you are servicing. The
three upper hooks should be equally extended and contacting the strut.
CORRECT INCORRECT
CORRECT INCORRECT

6
Step 2. Disassembly
A) With the strut assembly properly positioned, turn handles to compress spring until the bottom coil of
spring is just free of the lower spring seat. DO NOT OVER COMPRESS THE SPRING!
B) Secure strut to spring with the clamp to prevent strut from dropping out unexpectedly.
C) Mark upper strut parts to aid in reassembly.
D) Remove the piston rod nut.
E) Remove the clamp while holding strut. Carefully remove strut and related parts.
F) Service or replace strut as required. It is not necessary to release spring from tool when servicing strut
only.
NOTE: When replacing top spring seat or spring, make note of the position of the spring seat and spring before
releasing spring from tool. Replace new strut parts in tool in the same position as the old.
CAUTION
♦If the strut assembly is difficult to compress or the spring bows or
tilts, release tension and reposition the strut assembly.
♦Keep fingers and hands clear of the upper hook area at all times.
WARNING
♦Use extreme care when working with a compressed spring.
♦Never remove the piston rod nut when there is any spring pressure
on the lower spring seat.

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Step 3. Reassembly
A) Position the new strut within spring. Secure strut to spring with the clamp.
B) Install piston rod nut. NUT MUST BE FULLY ENGAGED ON PISTON ROD THREADS!
C) Release pressure on spring. Remove the clamp. Remove strut assembly from tool.
MAINTENANCE_____________________________________________________________
NOTE: To avoid personal injury or damage to the Model 7400, permit only qualified personnel to perform
maintenance.
See repair parts breakdown for replacement parts.
ALWAYS: Keep hooks and pads free of oil and grease.
DAILY: Inspect thrust bearing, drive screw, hooks, posts, lock pins and slots for
wear.
MONTHLY: Wipe down and clean ACME drive screw.
PERIODICALLY: Inspect unit for loose or missing components.
YEARLY: Clean and lightly lubricate thrust bearing.
___________________________________________________________________________
OWNER’S RECORDS Date Installed: _______________________
Date Code _______________________ Located under bottom plate
___________________________________________________________________________

8
REPAIR PARTS_____________________________________________________________

9
MODEL 7400
SERVICE PARTS
ITEM PART NO. QTY DESCRIPTION
1 01-0085 2 POST
2 01-0242 3 LOWER HOOK
3 01-0243 3 UPPER HOOK
4 028-064 4 CARRIAGE BOLT, 3/8-16 X 1
5 03-0418 1 BACK POST
6 03-0420 1 UPPER REAR HOOK HOUSING
7 03-0423 2 ADJUSTABLE HOOK HOUSING
8 03-0425 1 UPPER RIGHT HOOK HOUSING
9 03-0426 1 UPPER LEFT HOOK HOUSING
10 03-0427 1 HOOK HOUSING
11 055-103 1 NUT, 3/8-16 SERRATED HEX FLANGE
12 055-154 4 NUT, 3/8-16 NYLON HEX LOCK
13 055-160 1 NUT, 1/4-20 NYLON HEX LOCK
14 06-0029 1 TOP PLATE
15 06-0030 1 COMPRESSION HEAD
16 06-0031 1 BOTTOM PLATE
17 06-0032 1 BACK PANEL
18 061-042 6 SPRING PIN, 3/16 X 3/8
19 061-091 3 SPRING PIN, 1/4 X 7/8
20 10-0011 3 HOOK PAD
21 10-0012 3 HOOK PAD
22 10-0022 3 HANDLE GRIP
23 108-015 4 WASHER, 3/8 SAE FLAT
24 108-137 1 WASHER, THRUST
25 11-0075 3 ADJUSTER KNOB
26 110-065 3 SPRING
27 20-0043 1 BEARING, THRUST BALL
28 20-0044 6 BEARING, NYLINER
29 21-0006 1 HANDLE HUB
30 21-0013 1 ACME DRIVE SCREW
31 21-0014 1 THREADED HUB
32 50-0025 1 SCREW, 5/16 X 1 SHOULDER
33 50-0065 1 SCREW, 3/8-16 x 3/4 SERRATED FLANGE
34 50-0068 6 SCREW, 1/2-13 X 1-1/4 SERRATED FLANGE
35 51-0015 2 ACME ADJUSTMENT NUT
36 53-0008 1 SPRING CLAMP
37 54-0010 2 SPRING PIN, 3/16 X 9/16
38 73-1000 3 LOCK PIN
39 73-1005 3 THREADED HANDLE ROD
40 80-0222 1 DECAL, INSTRUCTION
41 80-0224 1 DECAL, MODLE 7400
* 81-0103 1 INSTRUCTIONS, MODEL 7400 OPERATING
* Item not shown