Model 464 Wellsaw
Air Powered Reciprocating
Saw
EQUIPMENT
SELECTION Ordering No..............
Model 464
Heavy Duty with 8 inch Blade 4005260...
Heavy Duty with 16 inch Blade 4005261.
End Cutting with 8 inch Blade 4005262..
End Cutting with 16 inch Blade 4005263.
Blades
16 inch end cutting 1023121............
8 inch end cutting 1023122.............
8 inch heavy duty 1023123.............
16 inch heavy duty 1023124............
Supports
16 inch heavy duty 1058072............
8 inch heavy duty 1058073.............
8 inch end cutting 1058076.............
16 inch end cutting 1058077............
Accessories
Air Hose, 16 ft 1059015................
Air Filter/Regulator/Lubricator 3022003..
Balancer (for all models) 4042045.......
TABLE OF
CONTENTS Page.........................
• Safety Messages to Employer and
Safety Director 2...................
• Safety Messages to Operators,
Maintenance and Cleanup Personnel 3
• Parts Diagram and List 4............
• Specifications 6....................
• Installation Instructions 6............
• Operation Instructions 6.............
• Maintenance Instructions 6..........
JARVIS
6205002
PRODUCTS CORPORATION
®
33 ANDERSON ROAD, MIDDLETOWN, CONNECTICUT 06457-4926
UNITED STATES OF AMERICA E--MAIL.
TEL. 860-347-7271 FAX. 860-347-6978 WWW. jarvisproducts.com
jarvis.products.corp@snet.net
safety messages to employer
and safety director
MODEL 464 Wellsaw
page 2 of 8
Keep hands clear.
SAFETY MESSAGES TO EMPLOYER AND SAFETY DIRECTOR
AVOID INJURY
1. Ensure that all employees who use this tool are trained in the proper use of this tool and are aware
of the dangers that may arise if they do not follow the procedures outlined in this brochure.
2. Follow our installation and maintenance instructions for proper installation and care of the tool.
3. Enclosed are four (4) copies of “NOTICE TO OPERATORS, MAINTENANCE AND CLEANUP PERSONNEL.” Post one copy on the employees’ bulletin board; give one copy to operator(s);
give one copy to the maintenance foreman; and give one copy to the sub-contract cleanup / internal
cleanup foreman. Additional copies will be provided upon request.
4. The tool is designed and intended to be powerful. That fact should be obvious to your employees,
but you must emphasize it to them.
5. Always disconnect the tool from its power supply when it is not in use.
6. Ensure that employees wear eye protection in accordance with OSHA’s eye and face protection re-
quirements (29 CFR 1910.133) at all times.
7. Hand/Wrist/Arm injury and other Cumulative Trauma Disorders may result from repetitive work,
motion or vibration. You must make your employees aware of hazards, symptoms of injury and appropriate prevention. See OSHA’s “Ergonomics Program Management Guidelines for Meat Packing Plants.”
8. Remove and repair any tool that malfunctions. All personnel must be instructed to remove any
malfunctioning equipment.
9. Never make modifications or alterations to the tool. Replace any missing or illegible labels.
10. Avoid injury. Do not permit the tool to be misused.
11. If you resell or distribute a Jarvis product, you must provide the purchaser with the appropriate safe-
ty sheets and tool brochure. Additional copies of safety sheets and tool brochures will be provided
upon request.
JARVIS
6205002
PRODUCTS CORPORATION
®
33 ANDERSON ROAD, MIDDLETOWN, CONNECTICUT 06457-4926
UNITED STATES OF AMERICA E--MAIL.
TEL. 860-347-7271 FAX. 860-347-6978 WWW. jarvisproducts.com
jarvis.products.corp@snet.net
safety messages to operators,
maintenance and cleanup personnel
page 3 of 8
MODEL 464 Wellsaw
Keep hands clear.
SAFETY MESSAGES TO OPERATORS, MAINTENANCE AND CLEANUP
PERSONNEL
REMOVE ANY MALFUNCTIONING TOOL FROM SERVICE
REPORT ANY PROBLEMS TO YOUR SUPERVISOR
1. Disconnect the power supply in accordance with OSHA’s lockout/tagout procedures (29 CFR
1910.147) before changing the blade.
2. Disconnect the power supply in accordance with OSHA’s lockout/tagout procedures (29 CFR
1910.147) before performing any repair or maintenance.
3. Disconnect the power supply -- or have the power supply disconnected -- in accordance with OSHA’s
lockout/tagout procedures (29 CFR 1910.147) before performing any cleanup.
4. Disconnect the power supply when the tool is not in use.
5. Always wear eye protection in accordance with OSHA’s eye and face protection requirements (29
CFR 1910.133), and when needed, a dust mask.
6. Do not operate near flammable liquids or in gaseous atmospheres.
7. Do not operate in outdoor locations or in damp or wet locations.
8. Do not overreach; keep proper footing and balance when using the tool.
9. Never put fingers, hands or other parts of the body on the cutting edge of the blade or in the cutting
path.
10. Always use both hands when starting and operating the tool to avoid the risk of possible “kick back”
or “recoil.” Continue holding the tool with both hands until the saw blade comes to a complete stop.
11. T est the tool prior to use or daily. Depress the trigger and the tool should
and the tool should stop. If the tool malfunctions, remove it from service and report or repair it im-
mediately.
start. Release the trigger
12. Never depress the trigger unless you are going to use or test the tool.
13. Never make any alterations to the tool. Report
JARVIS
6205002
or replace any missing or illegible labels.
PRODUCTS CORPORATION
®
33 ANDERSON ROAD, MIDDLETOWN, CONNECTICUT 06457-4926
UNITED STATES OF AMERICA E--MAIL.
TEL. 860-347-7271 FAX. 860-347-6978 WWW. jarvisproducts.com
jarvis.products.corp@snet.net
MODEL 464 Wellsaw
parts diagram and list
page 4 of 8
Air Inlet
ITEM PART NO. PART NAME QTY
1 1055452 Flat Head Screw 11
2 1002196 Bottom Cover Plate 1
3 1035196 Bottom Plate Gasket 1
4 1055439 Oval Head Screw 2
5 1002202 Handle Cover 1
6 1035126 O--ring 2
7 3051001 Air Tube Assembly 1
8 1039032 Trigger 1
9 1021214 Bushing 1
10 1055435 Locking Socket Set Screw 1
11 1022059 Valve 1
12 1029186 Spacer 1
13 1035064 O--ring 3
14 1016208 Lower Valve Body 1
15 1051135 Quick Connect Plug 1
16 1015007 Screen 1
17 1014078 Spring 1
ITEM PART NO. PART NAME QTY
18 1022060 Valve Seat 1
19 3022025 Upper Valve Body w/item 9 1
20 1035194 Seal 2
21 1016211 Gear Housing 1
22 1055948 Socket Head Cap Screw 4
23 1035198 Gasket 1
24 1002194 Bearing Cover 1
25 1055434 Button Head Cap Screw 1
26 1055431 Oval Head Screw 4
27 1055432 Oval Head Screw 6
28 1061190 Tie Bar 1
29 1001027 Hanger Ring 1
30 1004150 Flat Washer 4
31 1007163 Cap Nut 4
32 1016212 Motor Housing 1
33 1055100 Socket Set Screw, Flat Pt 3
34 1035203 Gasket Seal 1
35 1055436 Socket Set Screw, Cone Pt. 3
36 1024060 Blade Guard 1
37 1017040 Nameplate Label 1
38 1055425 Drive Screw 4
39 1058073 Blade Support, HD, 8 in. 1
1058072 Blade Support, HD, 16 in.
40 1023123 Blade, 8 in., HD (4 TPI)
1023124 Blade, 16 in., HD (4 TPI
41 1058076 Blade Support, EC, 8 in. 1
1058077 Blade Support, EC, 16 in.
42 1023122 Blade, 8 in., EC (4 TPI)
1023121 Blade, 16 in., EC (4 TPI)
43 1036119 Bushing 2
44 1027046 Threaded Stud 2
45 1012046 “S” Clip 1
46 1012047 “U” Clip (rubber) 1
47 1055069 Button Head Cap Screw 4
48 1004049 Lock Washer 4
49 1019079 Handle 1
JARVIS
6205002
PRODUCTS CORPORATION
®
33 ANDERSON ROAD, MIDDLETOWN, CONNECTICUT 06457-4926
UNITED STATES OF AMERICA E--MAIL.
TEL. 860-347-7271 FAX. 860-347-6978 WWW. jarvisproducts.com
jarvis.products.corp@snet.net
parts diagram and list
page 5 of 8
ITEM PART NO. PART NAME QTY
50 1016210 Front Motor Housing 1
51 1014079 Spring 1
52 1002201 End Cap 1
53 1021226 Needle Bearing 2
54 1032148 Upper End Plate 1
55 1040008 Vane 5
56 1064016 Rotor 1
57 1009078 Cylinder Sleeve with items 91 1
58 1032149 Lower End Plate 1
MODEL 464 Wellsaw
Air Outlet
ITEM PART NO. PART NAME QTY
59 1011294 Coupling 1
60 1020251 Gear Shaft 1
61 1004277 Thrust Washer 3
62 1021367 Long Inner Race 1
63 1016428 Rear Motor Housing 1
64 1021217 Long Needle Bearing 1
65 1021218 Thrust Bearing 2
66 1026071 Pinion Gear 1
67 1021210 Ball Bearing 1
68 1026070 Crown Gear 1
69 1030100 Woodruff Key 1
70 1020130 Drive Shaft 1
71 1021230 Ball Bearing 1
72 1027044 Drive Stud 1
73 1061189 Crank Arm 1
74 1004127 Thrust Washer 2
75 1021223 Inner Race 1
76 1021221 Needle Bearing 1
77 1007165 Lock Nut 1
78 1028059 Connecting Link 1
79 1027045 Rod Stud 1
80 1055423 Socket Set Screw, Cup Pt. 1
81 8030032 Hex Key 1
82 1035195 Seal 2
83 1036118 Bushing 1
84 1065026 Push Rod 1
85 1021222 Inner Race 1
86 1021220 Needle Bearing 1
87 1004276 Thrust Washer 1
88 1021368 Short Needle Bearing 1
89 1010172 Roll Pin 1
90 1021366 Short Inner Race 1
91 1010557 Roll Pin 2
92 1035199 O--ring 1
93 1013136 Retaining Ring 1
94 1050233 Pipe Nipple 1
3008082 Air Motor Assembly (items
53--58 and 91--93)
3028031 Rod and Bearing Assembly
(items 76, 78 and 86)
3061069 Drive Shaft Assembly (items
67--71)
3061070 Crank Arm Assembly (items
72, 73 and 77)
JARVIS
6205002
PRODUCTS CORPORATION
®
33 ANDERSON ROAD, MIDDLETOWN, CONNECTICUT 06457-4926
UNITED STATES OF AMERICA E--MAIL.
TEL. 860-347-7271 FAX. 860-347-6978 WWW. jarvisproducts.com
jarvis.products.corp@snet.net
MODEL 464 Wellsaw
specifications, installation
and operation instructions
page 6 of 8
SPECIFICATIONS
Motor Power 1.75 hp 1305 W
Operating Pressure 100 psi 6.8 bar
Air Consumption 53 ft3/min 1.5m3/min
Blade Speed 6000 cuts / min
Stroke 1.5 in 38 mm
Control Handle Single Trigger Pneumatic
Blade Length 8 in 203 mm
16 in 406 mm
Overall Length (w/16 in blade) 37 in 940 mm
Weight (without blade) 20 lbs 9.1 kg
INSTALLATION INSTRUCTIONS
1 Suspend the Model 464 Wellsaw from a balancer.
Jarvis part number 4042045 is available.
2 Make the necessary air connection.
2.1 The requires compressed air supply is 53 ft
min at 100 psi. (1.5 m
2.2 Refer to pages 4 and 5 more information about
the air hook up.
3
/ min at 6.8 bars).
3
OPERATION INSTRUCTIONS
1 DAILY CHECKLIST:
1.1 Make sure that the compressed air supply is at
the correct pressure and that the lubricator is up
to the full mark. Use Jarvis Air Mist Lubricator
Oil; if using a conventional air mist lubricator
set the feed rate at 8--10 drops per minute; if using a micro fog air mist lubricator set the feed
rate at 100 drops per minute. Note: Almost all
air mist lubricators are of the micro fog type.
1.2 Make sure that the saw moves freely on the balancer.
1.3 Make sure that the saw is working correctly:
Depress the trigger and the tool should
Release the trigger and the tool should
the tool malfunctions, remove it from service
and report the problem to your supervisor immediately.
1.4 Always use two hands when starting and stopping the saw. Continue holding the saw firmly
with both hands until the blade comes to a com-
start.
stop. If
plete stop.
2 AVERAGE CUTTING AND RIPPING:
2.1 Place your work piece on a solid support at a
convenient working height.
2.2 Adjust the material so that the line of cut will be
close to the support. Secure it firmly.
2.3 To prevent starting torque of the motor from
pulling the saw away from line of cut, the operator should make a few short strokes until the
blade has cut into t he material about 1/4 inch
(16.3 mm) before squeezing trigger switch.
2.4 Both hands should be on the saw at all times
while cutting. Continue holding the tool with
both hands until the saw blade comes to a complete stop.
2.5 The saw should be kept at a 90 degree angle to
/
the work piece while cutting material that is
thicker than 1 inch (25.4 mm).
2.6 The saw should be pushed firmly into the material while cutting.
2.7 Do not allow the saw blade or the blade support
to leave the work piece while cutting.
2.8 Never allow the saw blade to float into the material while cutting.
2.9 Never permit any part of the saw, except the
blade and the blade support, to contact the work
piece during the cut.
3 CUTTING LARGE CROSS SECTIONS:
3.1 Rocking the saw in the cut will speed up the cutting action.
4 SINKING THE BLADE THROUGH A SUR-
FACE:
4.1 Yourpower hand saw is not
use in starting its own hole by sinking blades
through a surface, commonly called “plunge
cutting”. If attempted, the operator must:
a. Keep the saw blade as parallel to the work
as possible.
b. Immediately, as the blade makes contact
with the work piece, start to draw the saw
back slowly from the starting point.
designed for regular
JARVIS
6205002
PRODUCTS CORPORATION
®
33 ANDERSON ROAD, MIDDLETOWN, CONNECTICUT 06457-4926
UNITED STATES OF AMERICA E--MAIL.
TEL. 860-347-7271 FAX. 860-347-6978 WWW. jarvisproducts.com
jarvis.products.corp@snet.net
operation and
maintenance instructions
page 7 of 8
MODEL 464 Wellsaw
c. Repeat the operation outlined in “b”, if nec-
essary.
d. Have room to draw the saw at least 4--6 in-
ches before cutting through a 1 inch (25.4
mm) thickness.
e. Do not force the saw blade, but keep it
moving slowly on the draw back from the
starting point. After a break through cut
has been made and the end of the blade support extends through the material at least
1--1/2 inches (38 mm), t he saw may be
tipped to a normal cutting angle.
5 NOT FOR CUTTING SMALL RADII:
6 ALWAYS KEEP A SHARP BLADE ON THE
SAW:
6.1 Cutting with a dull or badly worn blade can
overload the saw and cause damage from overheating.
6.2 New blades can be purchased from Jarvis.
MAINTENANCE INSTRUCTIONS
IMPORTANT: ALWAYS DISCONNECT THE COMPRESSED AIR SUPPLY IN ACCORDANCE WITH
OSHA’S LOCKOUT/TAGOUT PROCEDURES (29 CFR
1910.147) WHEN INSTALLING OR REMOVING THE
BLADE. ALWAYS DISCONNECT THE AIR SUPPLY IN
ACCORDANCE WITH OSHA’S LOCKOUT/TAGOUT
PROCEDURES (29 CFR 1920.147) BEFORE PERFORMING ANY MAINTENANCE OR REPAIRS.
Item numbers: refer to the parts diagram on pages 4 and
5.
1 DAILY:
1.1 Inspect all hoses for cuts and abrasions and replace as necessary.
1.2 Check all fittings and connections for leaks and
tighten or replace as necessary.
1.3 An air filter/regulator/lubricator (
number 3022003) must be installed in the air
supply line. Keep the lubricator filled at all
times.
1.4 Make sure that the saw is working correctly.
Note: The air supply must be connected to per-
Jarvis part
form this maintenance check only.
Depress the trigger and the tool should
Release the trigger and the tool should
the tool malfunctions, repair or remove it from
service immediately.
Always use two hands when starting and stopping the tool. Continue holding the saw firmly
with both hands until the blade comes to a complete stop.
2 WEEKLY:
2.1 Remove the bearing cover (item 24) from gear
housing (item 21).
2.2 Apply Jarvis 1315 White Grease to the pinion
and crown gears (items 66 and 68).
3 MONTHLY:
3.1 The gear case should be kept 1/3 full of grease.
To check the grease level, remove the bottom
plate (item 2) and its gasket (item 3). Check
more frequently for saws that are used daily.
Use Jarvis 1315 White Grease.
4 BLADE REMOVAL:
NOTE: Your Jarvis Wellsaw is equipped with a hex key
(item 81) for removing the blade. This wrench is located
in the housing directly behind the blade support.
4.1 Insert the hex key through the hole in the outer
end of blade (item 40 or 42) and pull the blade
to the outer end of its stroke.
4.2 Loosen the blade holding set screw (item 80)
about 1/2 turn.
4.3 Reinsert the hex key in the hole at the outer end
of the blade and pull the blade out.
5 BLADE INSTALLATION:
5.1
STANDARD BLADE SUPPORT (End Cutting):
a. Slide the blade onto the blade support until
the crimp in the blade is touching the end of
the blade support.
b. Use a rubber hammer and tap the end of the
blade towards the body of the saw until the
crimp in the blade slides into the slot in the
blade support.
start.
stop. If
JARVIS
6205002
PRODUCTS CORPORATION
®
33 ANDERSON ROAD, MIDDLETOWN, CONNECTICUT 06457-4926
UNITED STATES OF AMERICA E--MAIL.
TEL. 860-347-7271 FAX. 860-347-6978 WWW. jarvisproducts.com
jarvis.products.corp@snet.net
MODEL 464 Wellsaw
maintenance instructions
page 8 of 8
c. Tighten the set screw (item 80) with the hex
key (item 81).
5.2
HEAVY DUTY BLADE SUPPORT (Heavy Duty):
a. Place the grooved end of blade (item 40)
into the guide in the blade support (item
39).
b. Slide
5.3 Slide the blade into the push rod (item 84) as far
as it will go.
5.4 Tighten the set screw (item 80) with the hex key
(item 81).
6 BLADE SUPPORT REMOVAL:
6.1 Remove cap nuts (item 31) and flat washers
(item 30).
6.2 Remove blade support (item 39 or 41), threaded
stud (item 44) and bushings (item 43).
7 BLADE SUPPORT INSTALLATION:
7.1 Reverse steps 6.1 -- 6.2.
8 GENERAL DISASSEMBLY:
8.1 Remove blade (item 40 or 42) and blade support
(item 39 or 41).
8.2 Remove handle cover (item 5) and tie bar (item
28).
8.3 Swing air conveying components (items 6--19)
out of gear housing (item 21) and lift air tube assembly end out of motor housing (item 32).
8.4 Disassemble individual components as necessary.
8.5 Examine o--rings (items 6 and 13), screen (item
16) and valve seat (item 18). Replace parts, if
necessary.
8.6 Remove bearing cover (item 24), bottom cover
plate (item 2) and gaskets (item 23 and 3).
8.7 Insert a small block of wood between the connecting link (item 78) and the gear housing (item
21) to stop the rotation of the connecting link.
Remove lock nut (item 77) and thrust washer
(item 74).
8.8 Remove rod stud (item 79), connecting link
the blade over the blade support to-
wards the body of the saw. Make sure that
the tabs on the blade extend over each side
of the blade support.
(item 78) and push rod (item 84).
8.9 Insert a small block of wood between the crank
arm (item 73) and the gear housing (item 21) to
stop the rotation of the crank arm. Using a 5/16
inch hex key, loosen drive shaft (item 70) from
crank arm (item 73).
8.10 Press drive stud (item 72) out of crank arm (item
73) if it is necessary to replace inner race (item
75).
8.11 Clean the gear housing cavity to remove any
contaminated lubricant.
8.12 Remove bearing cover (item 24) and gasket
(item 23).
8.13 Remove screws (item 22) and separate motor
housing (item 32) from gear housing (item 21).
Motor housing assembly will consist of items
50--62, 65 and 91--94.
8.14 Loosen three set screws (item 35).
8.15 Remove items 53--66 and 87--93 from gear
housing (item 21).
8.16 Unthread pinion gear (item 66) from rotor (item
56).
8.17 Disassemble further as necessary to inspect part
for wear. Replace parts as required.
8.18 Lift crown gear assembly (items 67--71) out of
gear housing (item 21).
8.19 Disassemble further as necessary to inspect part
for wear. Replace parts as required.
8.20 Remove pipe nipple (item 94) from front motor
housing (item 50). Slide front motor assembly
(items 50--52) out of motor housing (item 32).
8.21 Remove bushing (item 83) and seals (item 82)
from motor housing (item 32). Inspect parts and
repair or replace as required.
8.22 Disassemble parts further as necessary to inspect part for wear. Replace parts as required.
8.23 Reassemble by reversing these steps.
NOTE (when reassembling
a. Use Loctite 271 on socket set screws (item
35) after inserting rear motor housing (item
63) into gear housing (item 21).
):
JARVIS
6205002
PRODUCTS CORPORATION
®
33 ANDERSON ROAD, MIDDLETOWN, CONNECTICUT 06457-4926
UNITED STATES OF AMERICA E--MAIL.
TEL. 860-347-7271 FAX. 860-347-6978 WWW. jarvisproducts.com
jarvis.products.corp@snet.net
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