Grizzly H8091 Manual de usuario

MODEL H8091

31/2 Ton Quick Pump

Garage Jack

WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE

OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.

#JC8822 PRINTED IN CHINA

Specifications

Maximum Lifting Capacity .....................7000 lbs.

Lifting Range .......................................43⁄4"–145⁄8"

Weight .......................................................83 lbs.

Figure 1. Model H8091 Identification.

Figure 2. Pump pedal and release valve gear.

Foot

Pedal Saddle

If you need help with the Model H8091, call our

Technical Support line at: (570) 546-9663.

Foot

Pedal

Machine

Label

Jack Handle

Failure to follow these instructions could

result in serious personal injury or death:

To raise the saddle gradually:

Turn the jack handle clockwise as far as it will

turn and pump the handle up and down. Turning

the handle clockwise will close the release valve

(see Figure 2).

To raise the saddle quickly:

With the jack handle turned fully clockwise, push

the foot pedal down and release it slowly. Each

pump of the pedal will raise the saddle approxi-

mately one-third of its full range.

To lower the saddle:

Slowly turn the jack handle counterclockwise.

Operation

Release

Valve Gear

1. DO NOT overload this jack beyond its

rated capacity. Overloading can cause

the jack to collapse and drop the load.

2. ALWAYS support the vehicle with

appropriately rated support stands

before working under it.

3. DO NOT attempt to move the vehicle

while the jack is in use.

4. Use only on hard level surfaces like

concrete or asphalt. Other surfaces are

potentially unstable.

5. Center the load on the jack to maintain

proper balance and stability.

6. DO NOT use jack if it begins leaking

fluid or if it sinks when placed under

load. These are indications that the jack

needs to be immediately serviced.

Maintenance

Keep the hydraulic rams clean and free of any

dust, dirt, or foreign debris. Abrasive material

stuck to the ram can damage the hydraulic seal

when the ram is retracted back into the jack.

Regularly wipe the hydraulic rams clean with a

lightly oiled rag.

The Model H8091 will require hydraulic fluid after

long-term use. This will be noticeable if the jack

will not reach its maximum height when pumped.

Only use a high quality hydraulic fluid.

To add hydraulic fluid:

1. Completely lower the jack.

2. Remove the fill plug shown in Figure 3.

Bleeding the Air

If the jack becomes spongy or will not rise when

pumped, then air bubbles may be in the hydraulic

system. These air bubbles must be 'bled' from

the hydraulic fluid before the jack can be safely

operated.

To remove the air bubbles:

1. Remove the fill plug.

2. Rotate the handle counterclockwise until it

stops.

3. Pump the jack handle rapidly to force the air

bubbles out through the fill hole. When the air

bubbles and fluid stop coming out, put the fill

plug back.

4. Repeat Step 3 as many times as needed until

the air bubbles stop coming out in the hydrau-

lic fluid.

3. Add fluid until it reaches the top of the fill plug

hole.

4. Replace the fill plug.

5. Test the operation of the jack by pumping

it up to the maximum height and applying a

load to the saddle. The jack should hold the

weight of the load without a sinking or spongy

feeling.

—If the jack did not perform properly, then

air may need to be bled from the pump

system.

Figure 3. Fill plug.

Fill Plug

H8091 Main Parts Breakdown

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REF PART # DESCRIPTION REF PART # DESCRIPTION

1 PR09M EXT RETAINING RING 20MM 23 PH8091014 HEX NUT M16-1.75

2 PW13M FLAT WASHER 20MM 24 PH8091024 LINKING SHAFT

3 PH8091003 FRONT WHEEL 25 PH8091025 SPECIAL BOLT (LEFT)

4 PH8091004 SADDLE 26 PH8091026 PUMP CORE PIN

5 PH8091005 SADDLE BASE 27 PH8091027 HANDLE SOCKET

6 PH8091006 SADDLE BASE AXIS 28 PH8091028 HANDLE SOCKET SCREW

7 PR06M EXT RETAINING RING 16MM 29 PH8091029 LINKING BLOCK

8 PH8091008 LINK ROD 30 PH8091030 COTTER PIN 4 X 47MM

9 PH8091009 LINKING BOLT 31 PH8091031 PULL SPRING

10 PH8091010 SIDE FRAME 32 PH8091032 PEDAL BASE

11 PLW04M LOCK WASHER 8MM 33 PH8091033 GEAR

12 PN03M HEX NUT M8-1.25 34 PH8091034 CYLINDER ASSEMBLY

13 PLW10M LOCK WASHER 16MM 35 PH8091035 HANDLE

14 PH8091014 HEX NUT M16-1.75 36 PH8091036 RATCHET AXIS

15 PH8091015 REAR WHEEL ASSEMBLY 37 PW08M FLAT WASHER 16MM

16 PR11M EXT RETAINING RING 25MM 38 PH8091038 FLAT RATCHET

17 PLW05M LOCK WASHER 12MM 39 PLW06M LOCK WASHER 10MM

18 PB25M HEX BOLT M12-1.75 X 25 40 PN08M HEX NUT M10-1.25

19 PH8091019 LIFTING ARM 41 PW01M FLAT WASHER 8MM

20 PH8091020 SPECIAL BOLT (RIGHT) 42 PH8091042 COTTER PIN 2MM X 12MM

21 PLW12M LOCK WASHER 18MM 43 PH8091043 MACHINE LABEL

22 PH8091022 TORSION SPRING

The machine label warns about hazards and ways to prevent injury. The owner of the jack MUST

maintain the original location and readability of the label. If the label is removed or becomes

unreadable, contact Grizzly at (800) 523-4777 or www.grizzly.com to order a new label.

H8091 Hydraulic Pump Parts Breakdown

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REF PART # DESCRIPTION REF PART # DESCRIPTION

101 PH8091101 RAM ROD 118 PH8091118 BALL

102 PH8091102 RAM HEAD 119 PH8091119 SEAL WASHER

103 PH8091103 RAM HEAD PIN 120 PH8091120 PLUG SCREW

104 PH8091104 O-RING 121 PH8091121 OVERLOAD VALVE SCREW

105 PH8091105 TANK NUT 122 PH8091122 WASHER

106 PH8091106 O-RING 123 PH8091123 WIPER

107 PH8091107 CYLINDER 124 PH8091124 BACK-UP RING

108 PH8091108 RESERVOIR 125 PH8091125 O-RING

109 PH8091109 OIL FILL PLUG 126 PH8091126 VALVE BLOCK

110 PH8091110 O-RING RETAINER 127 PH8091127 LEFT PLUNGER

111 PH8091111 O-RING 128 PH8091128 BALL - BOTTOM

112 PH8091112 O-RING 129 PH8091129 BALL - TOP

113 PH8091113 GEAR RETAINING NUT 130 PH8091130 PLUG SCREW

114 PH8091114 O-RING 131 PH8091131 BALL

115 PH8091115 RELEASE VALVE ASSEMBLY 132 PH8091132 RIGHT PLUNGER

116 PH8091116 ACTUATOR 133 PH8091133 SPRING

117 PH8091117 GUIDE PLATE

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