Presto Lifts H-1819 Setup guide

PAGE 1 OF 27 0720 IH-1819VND
H-1819
Foot Operated Lifts
M100, M200,
M300 & M400
Installation, Operation
and Service Manual
Model Number ___________________
Serial # _________________________
Date placed in service _____________
IMPORTANT: READ CAREFULLY
BEFORE INSTALLING OR OPERATING LIFT
Part orders are subject to a $50 minimum charge.
June 30, 2020

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H-1819
OWNER’S MANUAL Page 2 M100, M200, M300 & M400 FOOT OPERATED LIFTS
This manual was current at the time of printing. To obtain the latest, most updated version,
please contact Presto Lifts Customer Service Department or go to our website: www.Pre-
stoLifts.com -- you will nd a complete list of current owner’s manuals to print.
This label (part # 10095524)
is required by California law.
For more information visit
www.65Warnings.ca.gov.
This label (part # 10095524)
is required by California law.
For more information visit
www.P65Warnings.ca.gov.

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OWNER’S MANUAL Page 3 M100, M200, M300 & M400 FOOT OPERATED LIFTS
Limited Warranty Policy
Presto Lis warrants this product to be free from defects in material or workmanship for the duration
of the warranty period. Warranty periods vary and begin on the date of shipment. For specic warranty
information, contact Presto Lis with the machine’s serial number.
Any claim for breach of this warranty must be received in writing by Presto Lis within the warranty
period. Warranties shall not cover failure or defective operation, caused by misuse, misapplication,
negligence or accident, exceeding recommended capacities, or any alteration or repair of the item pur-
chased which has not been authorized by Presto Lis. Except as set forth herein, Presto Lis makes no
other warranties, express or implied, including THE WARRANTIES OF MERCHANTABILITY AND
OF FITNESS FOR A PARTICULAR PURPOSE, all of which ARE HEREBY EXCLUDED.
Presto Lis meets the labeling requirements of California’s Proposition 65. Presto Lis makes no war-
ranty or representation with respect to the compliance of any product with other State or local safety
or product standard codes and any failure to comply with such codes shall not be considered a defect
of material or workmanship under this warranty. Presto Lis shall not be liable for any direct or conse-
quential damages arising out of such non-compliance.
Presto Lis’ obligations under any warranty or for any other damages which may arise under any sale,
agreement, or contract, are limited to the replacement or repair of defective components at its factory
or another location at Presto Lis’ discretion. is is buyer’s sole remedy under any such warranty, sale,
agreement, or contract. Presto Lis will not be liable for consequential, incidental, exemplary, or puni-
tive damages of any kind resulting from a breach of any warranty that it has provided or for breach of
any term of any sale, agreement, or contract. Any warranty may be altered only in writing by Presto
Lis.
All commodities, soware, or technology purchased from Presto Lis are subject to the export and
re-export control laws and regulations of the United States, including but not limited to the Export
Administration Regulations (“EAR”) and Department of the Treasury Oce of Foreign Asset Con-
trols (“OFAC”) Regulations. Presto Lis expects all distributors and customers to comply with these
laws and regulations. Without limiting the foregoing, the distributor/customer cannot, without proper
authorization from the applicable United States Government Agency, export, re-export, or transfer
any commodity, soware, or technology purchased from Presto Lis, either directly or indirectly, to
any entity, country, or national of any country in breach of such laws and regulations. Furthermore,
Presto Lis expects that the distributor/customer shall indemnify and hold harmless Presto Lis from
and against any claim, proceeding, action, ne, loss, cost and damages arising out of or relating to any
noncompliance with export control regulations by distributor/customer, and distributor/customer are
expected to compensate Presto Lis for all losses and expenses resulting thereof, unless such noncom-
pliance was clearly not caused by fault of the distributor/customer.

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OWNER’S MANUAL Page 4 M100, M200, M300 & M400 FOOT OPERATED LIFTS
C O N T E N T S
WARANTY.........................................................................................................................3
S E C T I O N 1:
Introduction.............................................................................................................5
Responsibility of Owners and Users.......................................................................6
S E C T I O N 2:
Safety ......................................................................................................................7
Safety Alert Symbols and Signal Words .................................................................8
S E C T I O N 3:
Installation...............................................................................................................9
S E C T I O N 4:
Operation.................................................................................................................9
S E C T I O N 5:
Maintenance............................................................................................................9
S E C T I O N 6:
Service...................................................................................................................10
S E C T I O N 7:
Troubleshooting ....................................................................................................10
RESTOCKING POLICY .................................................................................................23
RETURN MATERIALS AUTHORIZATION (RMA) PROCEDURES ..........................24
ORDERING REPLACEMENT PARTS...........................................................................25
L I S T O F F I G U R E S :
Table 1: Hydraulic Oil Specications ..............................................................................................9
Figure 1: Wheel Identication .......................................................................................................11
Figure 2: Chain Roller Assembly...................................................................................................11
Complete Cylinder breakdown by Part Number (Text)........................................................... 12-13
Figure 3: M100-10 Pump Body Complete.....................................................................................14
Figure 4: M400-20 Cylinder Assembly Repair Kit........................................................................15
Figure 5: M400-30 Pump Plunger Assembly.................................................................................16
Figure 6: M400-40 Cylinder Packing Kit ......................................................................................17
Figure 7: M400-50 Release Pin Assembly.....................................................................................18
Cylinder Assembly..........................................................................................................................19
Hydraulic Repair Kit for M Series Star Cylinder...........................................................................20
Figure 8: Backplate Assembly .......................................................................................................21
Figure 9: Platform Assembly .........................................................................................................22
Figure 10: Stacker Assembly .........................................................................................................23
Figure 11: Label Placement Diagram ............................................................................................24

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S E C T I O N 1
INTRODUCTION
This manual attempts to provide all of the information
necessary for the safe and proper installation, operation
and maintenance of Presto Lifts Inc.'s MSeries Stack-
ers. It is important that all personnel involved with the
installation, maintenance or operation of the stacker
read this manual. Where unique situations arise, that are
not covered in this manual call Presto Lifts for further
instructions. Additional manuals are available upon
request or on our web site at www.prestolifts.com.
The stacker has a nameplate that provides the load ca-
pacity ratings, serial number and model identications.
Please refer to these numbers when ordering parts or
requesting further information.
WHERE UNIQUE SITUATIONS ARISE, THAT ARE
NOT COVERED IN THIS MANUAL, CALL PRESTO
LIFTS SERVICE DEPARTMENT FOR FURTHER
INSTRUCTIONS.

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OWNER’S MANUAL Page 6 M100, M200, M300 & M400 FOOT OPERATED LIFTS
Responsibility of Owners and Users
Inspection and Maintenance
The device shall be inspected and maintained in proper working order in accordance with Presto’s
owner’s manual.
Removal from Service
Any device not in safe operating condition such as, but not limited to, excessive leakage, missing
rollers, pins, or fasteners, any bent or cracked structural members, cut or frayed electric, hydraulic,
or pneumatic lines, damaged or malfunctioning controls or safety devices, etc. shall be removed from
service until it is repaired to the original manufacturer’s standards.
Repairs
All repairs shall be made by qualied personnel in conformance with Presto’s instructions.
Operators
Only trained personnel and authorized personnel shall be permitted to operate PowerStak.
Before Operation
Before using the device, the operator shall have:
• Read and/or had explained, and understood, the manufacturer’s operating instructions and safety
rules.
• Inspected the device for proper operation and condition. Any suspect item shall be carefully ex-
amined and a determination made by a qualied person as to whether it constitutes a hazard. All
items not in conformance with Presto’s specication shall be corrected before further use of the
PowerStak.
During Operation
The device shall only be used in accordance with this owner’s manual.
• Do not overload.
• Ensure that all safety devices are operational and in place.
Modications or Alterations
Modications or alterations to any Presto industrial positioning equipment shall be made only with
written permission from Presto.

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OWNER’S MANUAL Page 7 M100, M200, M300 & M400 FOOT OPERATED LIFTS
S E C T I O N 2
SAFETY
The M Series stackers are very capable of causing seri-
ous injury or damage if adequate precautions are not
taken. By reading and following this manual, operator
injury may be prevented.
DO NOT INSTALL OR OPERATE THESE LIFTS
WITHOUT CAREFULLY READING THIS MANU-
AL. In order to provide for the safe operation of these
stackers, Presto Lifts Inc. has identied certain hazards
that may occur during the installation, maintenance and
use of these lifts.
WARNING!
• Do not perform any repair work on lifts if there is
a load on the platform or forks are in the raised or
lowered position.
• All personnel must stand clear of the lift when the
lift is in motion.
• Do not put hands or feet under forks or platform
while in motion.
• Do not put hands or feet on or near the mast
while the forks or platform is in motion.
• Do not stand, sit or climb on the lift.
• Do not exceed the load capacity.
• Place all loads centrally located on the lift forks
or platform.
• Do not place a load on a moving lift.
• Do not use the lift on soft, uneven or unstable
surfaces.
• Do not shock load the forks or platform. Materi-
als must be carefully placed rather than dropped.

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OWNER’S MANUAL Page 8 M100, M200, M300 & M400 FOOT OPERATED LIFTS
SAFETY ALERT SYMBOLS AND SIGNAL WORDS
The safety of all persons operating, maintaining, repairing, or in the vicinity of this equipment is of paramount
concern. This is a powerful machine with moving parts, and is capable of causing personal injury if proper
precautions are not taken. Therefore, throughout this manual, certain hazards have been identied which may
occur in the use of the machine, and there are appropriate instructions or precautions which should be taken to
avoid these hazards. In some cases, there are consequences which may occur if instructions or precautions are
not followed. Below are the symbols and signal words along with their denitions referenced from ANSI Z535.4
- Product Safety Signs and Labels.
Safety Alert Symbols
These are the safety alert symbols.. They are used to alert you to potential physical injury haz-
ards. Obey all safety messages that follow this symbol to avoid possible injury or death.
For use with DANGER signal word
(Red Background)
For use with WARNING signal word
(Orange Background)
For use with CAUTION signal word
(Yellow Background)
Signal Words
The meaning of different signal words as dened by ANSI Standard Z535.4 indicates the relative
seriousness of the hazardous situation.
DANGER indicates a hazardous situation which, if not avoided,
will result in death or serious injury.
WARNING indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
CAUTION, used with the safety alert symbol, indicates a haz-
ardous situation which, if not avoided, could result in minor or
moderate injury.
NOTICE is used to address practices not related to personal
injury.
(Red Background)
(Orange Background)
(Yellow Background)
(Blue Background)
SAFETY
INSTRUCTIONS
SAFETY INSTRUCTIONS (or equivalent) signs indicate safety-
related instructions or procedures.
(Green Background)

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OWNER’S MANUAL Page 9 M100, M200, M300 & M400 FOOT OPERATED LIFTS
S E C T I O N 3
INSTALLATION
INSTALLATION
When the stacker arrives on a pallet the following steps
are to be followed:
1. Through the use of a forklift or overhead hoist, pick
the stacker unit up taking into consideration the center
of gravity. The center of gravity of the unit should be
adequately supported.
2. Once the unit is lifted from the pallet by a couple of
inches, remove the pallet from under the stacker.
3. Follow the next sections to ensure proper operation.
S E C T I O N 4
OPERATION
METHOD OF OPERATION:
In order to operate the lift follow these operating pro-
cedures.
1). To raise the platform or forks, pump foot pedal until
platform reaches desired height.
Table 1 – Hydraulic Oil Specications
If the lift will be used at normal ambient temperatures, Presto Lifts supplies the unit with Conoco Super Hydraulic
32 oil. This may be replaced by any other good quality oil with 150 SSU at 100° F and rust and oxidation inhibitors
and anti-wear properties.
If the lift will be used at ambient temperatures below 0°F, use aircraft hydraulic oil. Use Type 15 aircraft hydraulic oil.
The following are equivalent to Conoco Super Hydraulic 32:
TYPE MANUFACTURER
AW32 .......................................... CITGO
DTE 24 ....................................... EXXON/MOBIL
NUTO H32 ................................. EXXON/MOBIL
AMOCO AW32 ........................... CHEVRON (AMOCO CO.)
CAUTION!
It is very important to keep the hydraulic oil free of dirt, dust, metal chips, water, and other
contamination. Most of the problems with hydraulic systems are caused by contamination in the oil.
2). To lower lift, press release pedal down. Pressure on
release pedal controls speed of descent of load.
S E C T I O N 5
MAINTENANCE
ROUTINE MAINTENANCE:
1). Grease wheels and casters at least once a month to
maintain easy roll of lift.
2). Do not overload the lift. All foot operated Presto
Manual Stackers have a maximum rated capacity
of 1000 lbs.
3). Use only hydraulic oil in the hydraulic system.
NEVER USE HYDRAULIC BRAKE FLUID.

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OWNER’S MANUAL Page 10 M100, M200, M300 & M400 FOOT OPERATED LIFTS
S E C T I O N 7
TROUBLESHOOTING
If lift does not rise to full height:
It probably requires oil. (Check with lift in down
position.) To ll cylinder with oil, follow these
instructions.
There are two pipe plugs in the cylinder, Part No.
M427 (Vent Plug) and part No. M428 (Oil Level
Plug). Remove both plugs.
Put a good grade of hydraulic jack oil in the cylinder
through the top hole. When the oil reaches the level
of the bottom hole, replace both plugs. TOP PLUG
ISA BREATHER PLUG, BE SURE TO REPLACE
PLUGS IN THEIR PROPER PLACES.
If lift does not hold load, or tends to drift down-
ward under a load:
Dirt particle may be obstructing seating of the
valve, allowing leakage.
If dirt particle is obstructing seating of the
valve:
Open release valve by pressing down on release
pedal. At the same time, pump foot lever three or
four strokes. Do this three or four times. Then place
some weight on the platform or forks and pump foot
lever until platform reaches its full height. Now,
lower lift six inches to a foot at a time. This should
dislodge dirt and lift should work properly.
S E C T I O N 6
SERVICE
To remove cylinder from lift:
1. Pump lift to above 12'' height and then prop plat-
form or forks up to keep it in raised position.
2. Step on release pedal and push ram down by
hand until it reaches its lowest point.
3. Slip chain off pulley and remove pulley as-
sembly.
4. Take off two bottom cap screws that hold cylin-
der in place and slide cylinder forward towards the
base legs of the lift. The cylinder can now easily
be removed.
To replace ram chevron set in hydraulic cylinder
assembly:
1. Remove hydraulic cylinder from lift and remove
Vent Plug (Part No. M427) and Oil Level Plug (Part
No. 428) and drain oil from cylinder.
2. Clamp pump body in vise, unscrew top hex nut
and remove outer cylinder.
3. Remove inner cylinder from pump making sure
not to distort or mar cylinder. Note: Do not use
pipe wrench.
4. Remove ram and replace chevron set.
5. Push ram into inner cylinder -- chevron end
last!
6. Reassemble and ll with clean hydraulic jack
oil.

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OWNER’S MANUAL Page 11 M100, M200, M300 & M400 FOOT OPERATED LIFTS
F I G U R E 2:
CHAIN
ROLLER
ASSEMBLY
F I G U R E 1:
WHEEL IDENTIFICATION
WHEEL IDENTIFICATION
ITEM
NO.
PART NUMBER DESCRIPTION
1 C101PH2 Swivel Caster Assem-
bly
2 C102PH Rigid Phenolic Wheel
3 C103 Mounting Hardware
** SPECIFIC MODEL NUMBER
REQUIRED WHEN ORDERING FOR
CORRECT CHAIN LENGTH
CHAIN ROLLER ASSEMBLY
ITEM
NO.
PART NUM-
BER
DESCRIPTION
1 0584-VR Single Chain Assem-
bly
2 C104** Chain
3 C106B Lock Ring
4 C106C Chain Socket 3/4''
Adjustable
5 C106A Clevis Pin

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R E C O M M E N D E D C Y L I N D E R S P A R E P A R T S L I S T I N G
M SERIES STACKERS - PAGE 1
(VERSION A)
PART # DESCRIPTION AVAILABILITY KIT#
M400** Hydrualic Cylinder Assy. Complete
M402 Release Lever A
M403 Release Lever Pin A
M404 Pump Plunger Clip A
M407 N/A see 0457 K
M410 Pump Body K 1 & 2
N1200 Pump Body Plug A 1 & 2
M412 Pump Check Ball K 1 & 2
M413 Pump Check Spring K 1 & 2
M414 Pump Valve/Release Gaket A 1 & 2
M415 Pump Valve Bolt K 1 & 2
M416 Release Ball & Poppet K 1 & 2
M417 Release Spring K 1 & 2
M419 Release Bolt K 1 & 2
M420 O Ring Reservoir Seal K 4 & 2
M422 Pump Lever Bracket A
M423 Pump Lever Bracket Pins A
M424 Ram O Ring Seal K 4 & 2
M425 Cylinder Nut A
M426** Outer Cylinder N
M427 Vent Plug A
N1200 Oil Lever Plug A
M429 Pump Lever Return Spring A
M430** Inner Cylinder N
M431** Ram N
M432 Ram Guide Bearing Plate K 4 & 2
M433-01 Ram Chevron Set A 4 & 2
M434 Ram Chevron Set Washer K 4 & 2

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R E C O M M E N D E D S P A R E P A R T S L I S T I N G
M SERIES STACKERS - PAGE 2
(VERSION A)
PART # DESCRIPTION AVAILABILITY KIT#
M435 Ram Cup Nut K 4 & 2
M436 Foot Lever A
M437 Foot Lever Pad A
M438 Pump Intake Spring K 1 & 2
M439 Pump Intake Ball A 1 & 2
M440 Release Pin O Ring K 5 & 2
M441 Release Pin Back-Up Ring K 5 & 2
M442 Release Pin K 5 & 2
M443 Plunger Sleeve Gasket A 1-3 & 2
M444 Plunger Sleeve K 1-3 & 2
M445 Plunger O Ring A 1-3 & 2
M446 Plunger Nut A 1-3 & 2
M447 Plunger Washer A 1-3 & 2
M448 Plunger Cup A 1-3 & 2
N0040 Nut A
N0810 Bolt A
0457 Square Pump Plunger K 1-3 & 2
** SPECIFIC MODEL NUMBER REQUIRED
NOTE: A = AVAILABLE
N = NOT AVAILABLE; Must buy complete Cylinder
K = In a kit only.
Kit Number: 1 = M400-10
Kit Number: 2 = M400-20
Kit Number: 3 = M400-30
Kit Number: 4 = M400-40
Kit Number 5 = M400-50

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F I G U R E 3:
M400-10 PUMP BODY COMPLETE
(VERSION A)
ITEM
No.
PART
No.
QTY DESCRIPTION
1 M410 1 Pump Body
2 M420 1 Reservoir Seal O Ring
3 M412 2 Pump Check Ball
4 M416A 1 Poppet
5 M417 1 Release Spring
6 M414 2 Gasket
7 M419 1 Release Bolt
8 M439 1 Pump Intake Ball
9 M438 1 Pump Intake Spring
10 M415 1 Pump Valve Bolt
11 M413 1 Pump Check Spring
12 M411 1 Plug
13 M443 1 Gasket
ITEM
No.
PART
No.
QTY DESCRIPTION
14 M444 1 Plunger Sleeve
15 M445 1 Plunger O Ring
16 M446 1 Plunger Nut
17 M447 1 Washer
18 M448 1 Plunger Cup
19 M407A 1 Plunger Guide Brg.
20 M407B 1 Seal O Ring
21 0457 1 Pump Plunger
22 M442 1 Release Pin
23 M440 1 Release Pin O Ring
24 M441 1 Release Pin
25 M410-D 1 Pin, Spring Roll
P/N M400-10 Pump Body Complete includes all items below.
P/N M400-30 Pump Plunger Assembly includes items 13 thru 21.
P/N M400-50 Release Pin Assembly includes items 22 thru 24.
See pages 7 & 8 for availability of individual items.
Tip: Do not
swap #7 & #10.
They are ma-
chined differently
Tip: Removal of #22,
#23, & #24 through #7
portal

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OWNER’S MANUAL Page 15 M100, M200, M300 & M400 FOOT OPERATED LIFTS
F I G U R E 4:
M400-20 CYLINDER
ASSEMBLY REPAIR KIT
(VERSION A)
ITEM# P/N DESCRIPTION Qty
1 M420 Reservoir Seal O Ring 1
2 M412 Pump Check Ball 2
3 M416A Poppet 1
4 M417 Release Spring 1
5 M414 Gasket 3/32 OD x 1/2 ID x 3/32 thk 2
6 M419 Release Bolt 1
7 M439 Pump Intake Ball 1
8 M438 Pump Intake Spring 1
9 M415 Pump Valve Bolt 1
10 M413 Pump Check Spring 1
11 M443 Gasket 1
12 M444 Plunger Sleeve 1
13 M445 Plunger O Ring 1
14 M446 Plunger Nut 1
15 M447 Washer 1
16 M448 Plunger Cup 1
17 M407A Plunger Guide Bearing 1
18 M407B Seal O Ring 1
19 0457 Plunger, Pump 1000/2000 1
20 M442 Release Pin 1
21 M440 Release Pin O Ring 1
22 M441 Release Pin Back Up Ring (Split) 1
23 M435 Nut, Ram Cup 1
24 M434 Washer, Ram 1
25 M433-01 Seal, Deep Z 1
26 M432-01 Plate, Ram Guide Bearing 1
27 M424 O Ring, Ram Seal, 813 ID x 1.06 1
See pages 7 & 8 for availability of individual items.

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F I G U R E 5: M400-30 PUMP PLUNGER ASSEMBLY (VERSION A)
ITEM # P/N QTY DESCRIPTION
1 M443 1 Gasket
2 M444 1 Plunger Sleeve
3 M445 1 Plunger O Ring
4 M446 1 Plunger Nut
5 M447 1 Washer
6 M448 1 Plunger Cup
7 M407A 1 Plunger Guide Bearing
8 M407B 1 Seal O Ring
9 0457 1 Pump Plunger
See pages 7 & 8 for availability of individual items.

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OWNER’S MANUAL Page 17 M100, M200, M300 & M400 FOOT OPERATED LIFTS
F I G U R E 6:
M400-40 CYLINDER
PACKING KIT
(VERSION A)
ITEM# P/N DESCRIPTION Qty
1 M432-01 Plate, Ram Guide Bearing 1
2 M433-01 Seal, Deep Z 1
3 M434 Washer, Ram 1
4 M435 Nut, Ram Cup 1
5 M424 O Ring, Ram Seal, 813 ID x 1.06 1
6 M420 Reservoir Seal O Ring 1
See pages 7 & 8 for availability of individual items.

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F I G U R E 7: M400-50 RELEASE PIN ASSEMBLY (VERSION A)
ITEM# P/N QTY DESCRIPTION
1 M442 1 Release Pin
2 M440 1 Release Pin O Ring
3 M441 1 Release Pin Back Up Ring (Split)
See pages 7 & 8 for availability of individual items.
Note: See Page 10 for
Removal/Installation Tips

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32
34
22 21
33
31
27 12 109 611
16
13 5 4 10 3 2
1
125
ITEM NO DESCRIPTION
1Ram 2 Top Nut Seal 3Top Nut 4 Reservoir Tube Assembly 5Cylinder Tube 6 Ram Cup Support Washer 9Ram Cup
10 Ram Seal (2 Required)
11 Ram Cup Washer
12 Ram Cup Nut
13 Filler Screw and Washer
15 Release Lever Assembly
16 Pump Pedal Spring Return
ITEM NO DESCRIPTION
19 Release Plunger (Includes Packaging)
20 Release Lever Pivot Pin (Includes Rings)
21 Lever Socket Pin (Includes Rings) (2 Required)
22 Pump Piston Clip
27 Pump Body Assembly
28 Pump Valve Assembly
29 Release Valve Assembly
31 Pump Piston Assembly
32 Pump Lever Arm
33 Pump Lever Socket
34 Pump Lever Pivot Pin (Includes Rings)
125 Deflector Baffle
Contact the Presto Parts Department for parts availability
Mobil OTE Excel 15 or Equivalent Hydraulic Fluid
CYLINDER ASSEMBLY
VERSION B

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OWNER’S MANUAL Page 20 M100, M200, M300 & M400 FOOT OPERATED LIFTS