Jet EQUIPMENT & TOOLS J Series User manual

.JET
EQUIPMENT& TOOLS
OWNER'S MANUAL
"J" Series Pallet Trucks
JET EQUIPMENT &TOOLS, INC.
AWMHCompany
www.jettools.com
P.O. BOX 1349
Auburn, WA 98071-1349
e-mail [email protected]
Phone: [phone]
Fax: [phone]
M-140080 1/02
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This manual has been prepared for the ownerandoperators of a JET "J" Series PalletTruck. Its purpose,
aside from tool operation, is to promote safety through the use of accepted correct operating and
maintenance procedures. Completely read the safety and maintenance instructions before operating or
servicing the tool. To obtain maximum lifeand efficiencyfrom your pallettruck, and to aid in using the tool
safely, read this manual thoroughlyandfollow instructionscarefully.
Warranty & Service
TheJETGroupwarrantseveryproductit sells. If oneof ourtoolsneedsserviceor repair,oneof our
AuthorizedRepairStationslocatedthroughouttheUnitedStatescangiveyouquickservice.
In most cases, anyone of these JET Group RepairStationscan authorizewarranty repair, assist you in
obtaining parts, or perform routine maintenanceand major repair on your JET, Performax or Powermatic
tools.
For the name of an Authorized Repair Station inyour area, pleasecall 1-800-274-6848, or visit
www.jettools.com.
More Information
Remember,theJETGroupisconsistentlyaddingnewproductstotheline. Forcomplete,up-to-date
productinformation,checkwithyourlocalJETGroupdistributor,orvisitwww.jettools.com.
JET Group Warranty
The JET Group (including Performax and Powermaticbrands) makes everyeffort to assure that its
products meet high quality and durabilitystandardsandwarrants to the original retail consumer/purchaser
of our products tlJateach product befree from defects in materialsand workmanship as follow: 2 YEAR
LIMITEDWARRANTY ON "J" SERIES PALLETTRUCKS. This warrantydoes not apply to defects due
directlyor indirectly to misuse, abuse, negligenceor accidents, normalwear-and-tear, repair or alterations
outside our facilities, or to a lack of maintenance.
THE JET GROUP LIMITSALL IMPLIEDWARRANTIESTO THE PERIODSPECIFIED ABOVE, FROM
THE DATETHE PRODUCT WAS PURCHASEDAT RETAIL. EXCEPTAS STATED HEREIN, ANY
IMPLIEDWARRANTIES OR MERCHANTIBILITYAND FITNESSARE EXCLUDED. SOME STATES DO
NOT ALLOW LIMITATIONS ON HOW LONGTHE IMPLIEDWARRANTY LASTS, SO THE ABOVE
LIMITATION MAY NOT APPLY TO YOU. THE JET GROUPSHALL IN NO EVENT BE LIABLE FOR
DEATH, INJURIES TO PERSONSOR PROPERTY,OR FOR INCIDENTAL,CONTINGENT, SPECIAL,
OR CONSEQUENTIAL DAMAGESARISING FROMTHE USEOF OUR PRODUCTS. SOME STATES
DO NOTALLOW THE EXLUSIONOR LIMITATIONOF INCIDENTALOR CONSEQUENTIAL
DAMAGES,SO THE ABOVE LIMITATIONOR EXCLUSION MAYNOT APPLY TO YOU.
To take advantage of this warranty, the productor part must be returned for examination, postage
prepaid,to an Authorized Repair Stationdesignated byour office. Proof cf purchase date and an
explanation of the complaint must accompanythe merchandise. If our inspection discloses a defect, we
will either repair or replace the product,or refundthe purchaseprice if we cannot readily and quickly
provide a repair or replacement, if you arewilling to accept a refund. We will return repaired product or
replacement at JET'S expense, but if itis determinedthere is nodefect, or that the defect resulted from
causes not within the scope of JET'Swarranty, thenthe usermust bearthe cost of storing and returning
the product. This warranty gives youspecific legalrights;you mayalso haveother rights which vary from
state to state.
The JET Group sells through distributorsonly. Membersof the JET Group reserve the right to effect at
any time, without prior notice, those alterationsto parts,fittings, andaccessory equipment which they may
deem necessary for any reason whatsoever.
2
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.Read and understand the entire owner's manual before using the pallettruck.
.Do not place hands or feet underthe pallettruck at anytime.
.Do not operate a loaded pallettruck on ramps, or inclines.
.Do not tip load pallettruck forks. This maycause damageto the forks and personal injury if the rear
of the pallet truck suddenly"pops up".
.Never leave a loaded pallet truck unattendedin the raisedposition. Always lower load to the floor.
.Do not load pallet truck beyond its rated capacity 5,000 Ibs.
.Secure load before transporting.
.To prevent accidental tipping, makesure loadis centered on the forks.
.Do not move a loaded pallettruck by other than manualforce.
.Failure to comply with these warnings may resultin personalinjury and/or property damage.
Introduction
Congratulations on your purchase of a JET PalletTruck.
To better understand the proper use and safe operation of this pallet truck, please take a few minutes to
carefully read and follow the instructions contained in this manual. When finished reading and
understandingthe manual, pleasefile ina safe and convenientIQcationfor the life of the pallettruck.
This pallettruck is designed to push and pull palletizedmaterial loads upto 5,000 pounds only.
You will notice several important features aboutyour JET PalletTruck. One, its 2-1/2" lowered height and
tapered fork tips allow easy entry into pallets. The PT-3348J four-way pallet truck features a 2" lowered
height.
The heavy-gauge steel frame is reinforced with cross-welded steel plates to prevent forks from bending
and solid steel push rods are used for added strength. The pump features top-of-the-stroke and overload
by-passvalve systems. A durable powdercoat finish provideslong lasting steel protection.
Extra wide polyurethane covered steel steer wheels and nylon load wheels feature lifetime lubricated,
double sealed bearings to provide smooth,quiet rolling and added stability.
Your JET PalletTruck is truly one of the finest pallet trucks in the world.
Record Your Purchase Information Here
3
Purchased from: Date:
Model Number: Stock Number:
Serial Number: Date in Service:
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Table of Contents
Warranty :2
Warnings 3
Introduction., , 3
Purchase Information 3
Table of Contents 4
Specifications 4
Assembly "',"'"'''''''' 5-6
Pallet Truck Operation... , ... 6-7
Up-Down Cam Adjustment ." ..., 7
Bleed the Pump ..., , , , ,7
Lubrication ..,... """""'''''''''''''''''''''''''''''' , 7
Seal and a-Ring Replacement... 8
Troubleshooting '''''''' ". 9
Parts Breakdown & Parts List... , " 10-13
Test Certificate , 14
Spacifications
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9002
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L2
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L1 I
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AB H2
The specifications in this manualare given as general informationand are not binding. JET Equipment
& Tools reserves the right to effect, at any time andwithout prior notice, changes or alterations to parts,
fittings, and accessory equipment deemed necessaryfor any reasonwhatsoever.
4
Model # Stock # W1 W2 L1 L2 H1 H2 A (dxw) B (dxw) CNet Wt.
Ibs.
PT-1636J 140016 16" 6" 36" 55" 6-1/4" 2-1/2" 6-1/4"x2-3/4" 2-1/2"x3-3/4" 45-1/8" 135
PT-2036J 140085 201/2" 6" 36" 51" 6-1/4" 2-1/2" 6-1/4"x2-3/4" 2-1/2"x3-3/4" 45-1/8" 150
PT-2042J 140084 201/2" 6" 42" 57" 6-114" 2-1/2" 6-1/4"x2-3/4" 2-1/2"x3-3/4" 45-1/8" 161
PT-2048J 140083 20 1/2" 6" 48" 63" 6-1/4" 2-1/2" 6-1/4"x2-3/4" 2-1/2"x3-3/4" 45-1/8" 172
PT-2736J 140082 27" 6" 36" 51" 6-1/4" 2-1/2" 6-1/4"x2-3/4" 2-1/2"x3-3/4" 45-1/8" 174
PT-2742J 140081 27" 6" 42" 57" 6-1/4" 2-1/2" 6-1/4"x2-3/4" 2-1/2"x3-3/4" 45-1/8" 185
PT-2748J 140080 27" 6" 48" 63" 6-1/4" 2-1/2" 6-1/4"x2-3/4" 2-1/2"x3-3/4" 45-1/8" 196
PT-3348J 140033 33" 6" 48" 63" 6" 2" 6-1/4"x2-3/4" 2"x3-3/4" 45-1/8" 216
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Assembly
Note: Individual trucks are assembled and
ready to use. Pallet trucks purchased in crate
quantities (6 units to a crate) require some
assembly. Match the "number" label on the
handle to the "number" label on the frame, prior
to assembly.
Tools Needed for Assembly
.Hammer
.Flat Head Screwdriver
.Pliersor17mmWrench
1. Insert the base of the handle (A, Fig. 1) into
the pump bracket (B, Fig. 1).
2. Align the holes (C, Fig. 1) at the base of the
handle with the holes in the pump bracket.
3. Using a screwdriver, pry the cam (D, Fig. 1)
up and slip the bolt head, under the notch in
the cam. Do not adjust the nut.
4. Insert handle pins (E, Fig. 2) into the holes of
the pump bracket and handle. Align the
spring pin holes (F, Fig. 2) in the handle pin
and the pump bracket.
5. Tap the handle pins into place with a
hammer.
Pump Bracket
Cam
~ ~Handle Pin
tSpringPin
Fig. 2
5
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6. Using a hammer, tap the spring pins (A, Fig.
3) into the pump bracket and handle pins.
Note: If the holes aren't lined up use a
17mm wrench or pliers to turn the handle pin
until the spring pin holes line up.
7. Repeat for the opposite side handlepin.
8. Pull the handle down and remove the
retaining bracket (B, Fig. 3) by pulling
straight out. Discard retaining bracket.
Note: If the pallet truck does not raise, or lower
properly you may have air bubbles in the pump
from shipping. Refer to "Bleed the Pump" on
page 7.
Pallet Truck Operation
To raise the forks, place handle in the UP
position (bottom part of the handle slot), see Fig.
4.
To lower forks, pull lever handle to DOWN
position (upper part of the slot).
To freely move the handle, set the lever in
Neutral (center notch of slot).
To Lift a Load
1. Lowerforks to lowest position, Figure4.
2. Insertforks under load, or into pallet.
3. Place lever in UP position (bottom part of
slot), Figure4.
4. Move handle up, and down until forks reach
desired height.
To Move a Load
1. Place lever in NEUTRAL position (center
notch of slot), Figure4.
2. Pullor push pallettruck to desired location.
A
Fig. 3
Fig. 4
6
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To Lower a Load
1. Pull lever to the DOWN position (upper part
of slot), Figure 5.
2. Pullforks away from load.
Up-Down Cam Adjustment
1. Set the lever in the NEUTRAL position,
Figure 5.
2. Turn the cam nut while pumping the handle,
Figure 6.
3. When lifting stops, give the nut one more
turn.
4. The cam nut is properly adjusted when
pumping the handle in the NEUTRAL
position causes no movement of the
hydraulic ram.
Cleaning the Release Valve (Bleed the
Pump)
Over time, the hydraulic pump assembly may
become clogged with debris, air bubbles, and
not function properly.
To clean the release valve and bleedthe pump:
1. Pump handle quickly, raising pallet truck to
full extent. While continuing pumpingaction,
pull lever to down position.
2. When forks reach total down position, valve
is flushed. Repeat if necessary.
Lubrication
Check the oil level annually by removing the oil
plug found on the top of the pump housing.
When changing or adding oil, fill thetank through
the oil plug screw hole to 80% capacity with
hydraulic jack oil, about 2" deep in pump
housing, see Figure 7. Do not use any other
type of oil.
There is one grease fitting (#558 in the
breakdown) located on the table. Lubricate this
point on a semi-annual basis.
Wheel bearings are sealed and require no
lubrication. Crank Shaft features oil light
bushings that also require no lubrication.
Lightlyoil all moving parts.
.'1
""t,'", ;,~p
.; "
i:;', t~
Fig. 5
; !
Fig. 6
Oil Plug
2 inches
deep
Oil
80%
Capacity
Fig. 7
7
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Seal and O-Ring Replacement for Piston
and Plunger Piston
1. Raise the pallettruck by pumping handle.
2. Remove the bolts #70. This will free the
pump and handle assembly from the pallet
truck.
3. Empty the oil into a suitable container.
Pump handle until all oil has drained.
Dispose of used hydraulic oil, or fluid
according to local disposal regulations.
4. Pull out piston plunger #33, and/or ram
piston #25.
5. Remove all o-rings and seals, see Figure8.
6. Insert new a-ring or seal one at a time
making sure to replace with the same size
thatwas removed.
7. Reassemble and fill the oil tank through the
oil plug screw hole to 80% capacitywith new
hydraulic jack oil, about 2" deep in pump
housing, see Figure 7.
Cross Section of Ram Cylinder
Fig. 8
8
Dust Seal #16
O-ring #17
U-packing #18
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Troubleshooting
Condition
Hydraulic unit does not lift.
Once lifted, truck lowers by itself.
Fork does not lower.
Lever does not set at NEUTRAL
position.
Probable Causes
1. Oil low in tank.
2. Air in pump.
3. Worn O-ringin ram cylinder.
1. Steel ball not seated in
hydraulicunit.
2. Worn O-ringin ram cylinder.
3. Release valve not seated
properly.
4. Release valve not adjusted
properly.
5. Oil leakage from Release
Plug #36 or Pressure
Adjustment Screw#27.
1. Cam#53 broken.
2. Up-down cam nut #15 out of
adjustment.
3. Broken
linkage. fork rods
1. Up-down cam nut out of
adjustment.
9
Corrective Action
1. Make sure there is no oil
leakage from Release Plug
#36 or Pressure Adjustment
Screw#27, and add oil.
2. Place the lever in the down
position and pump the
handle repeatedly.
3. Consult authorized repair
station.
1. See "Cleaning the Release
Valve" page 7.
2. Consult authorized repair
station.
3. See "Cleaning the Release
Valve" page 7.
4. Reload truck within load
capacity, and adjust valve
by Pressure Adjustment
Screw#27.
5. Tighten Release Plug #36.
Replace O-rings on Release
Plug #36 and/or Pressure
Adjustment Screw #27.
Consult authorized repair
station.
1. Replace cam #53.
2. Refer to "Adjusting Up-Down
Cam" page 7.
and 3. Consult authorized repair
station, or replace broken
parts.
1. Refer to "Adjusting Up-
Down Cam" page 7.
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Parts Breakdown for the £oJ"Series Pallet Trucks
~o
al...r 68
71 I
~3
II
11
12"u
II14, n
~,j
~
99
33 i/32 27
tA ~2B29 ~
34'@36~fl ~~30 ~~~ ~:~~,
35 1m 3~8A~~ ~~ ~~IB
38/ -p '07\
40/ Ci?:;J 30A/V
20~ 39~/() 31
"1 "~
I
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~/
25
/
/
/
10
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