Page 368 - 2021 Catalog
P. 368

                                            Calibrate your piston pump from our website: www.demco-products.com. Use "calibration" in the Keyword Search.
1. Measure and record drive wheel tire air pressure. Maintain pressure at all times.
2. Measure the distance from the surface of the ground to the center of the
drive wheel. This is your Loaded Radius.
         Determining Sprocket Ratios for Piston
REF. PART QTY.
368 Pumps 1. Count the number of teeth on the
Drive Wheel Sprocket.
2. Count the number of teeth on the
Driven Sprocket.
3. Divide the number of teeth on the Drive Sprocket by number of teeth on the Driven Sprocket to determine Sprocket Ratio.
For Equipment With Jack Shafts.
1. Multiply the number of teeth on all Drive Sprockets together.
2. Multiply the number of teeth on all Driven Sprockets together.
3. Divide Drive Sprocket total by Driven Sprocket total which equals the Sprocket Ratio.
GROUND DRIVEN PUMPS 69. 01582 1 1 Piston Pump Rate Chart $12.55
Lil’ Thumper Ground Driven Pumps
Features:
• Lil’ Thumper piston pumps can be mounted on most planters and will adapt to other application equipment.
• Ground wheel drive assures accurate rate of application regardless of speed. Rate is easily set by dial pointer. • Available with manually operated throw-out clutch, hydraulic clutch.
(C)
1400 432
= 3.24
protection.
• Single piston pump has 7.35 GPM output at 100 RPM full stroke. Double piston pump has 14.7 GPM output at
Piston Pump
NOTE: On units with press wheels, the radius in
100 RPM full stroke. Maximum RPM 210 .
LinIcLh’eTsHoUf tMhePdErRivePwISheTeOl cNanPbUeMcoPnSsidered
Pump Sprocket Maximum operating pressure: 100 PSI. 18 Tooth Driven
as the number of teeth on the drive sprocket
MAXIMUM APPLICATION CAPACITIES
Recommended operating pressure: 20-40 PSI.
WHEN PLACED IN DIRECT CONTACT WITH SEED.
and the radius of the press wheel can be
Based on a tire size with 15” loaded radius and 2:1 ratio
considered as the number of teeth on the
24 Tooth
Driven Drive
NO. NO. PP1 PP2 DESCRIPTION PRICE
• Two self tightening stack-packing glands and drive case seals, with drain between, provide excellent crankcase 3. Read PUMP SETTING opposite GALLONS PER ACRE for
2. Set SWATH WIDTH under arrow.
MODEL PP1 or MODEL PP2.
28 Tooth
NOTE: ANY AMOUNT OF LIQUID FSEprRockTetILIZER, JWackITShHaft OR WITHSpOrocUketT ADDITIVES, MAY CAUSE GERMINATION DAMAGE
69
   Example -
(See Diagram A)
(A) Drive Sprockets 50 x 28 = 1400 (5B)2D3riv2en Sprockets 24 x 18 = 432
1. Set LOADED RADIUS opposite SPROCKET COMBINATION.
• All parts in c(Iofncotamcbtinwatitiohnsisonluotiolisntead,recavlcaurlaioteursatitoypanedsuosef rSePiRnOfoCrKcEeTd synthetic materials and stainless steel for
• Color coded reinforced synthetic valves with stainless steel springs and retainers. Stainless steel cage type Instructions for Pump Setting
valves virtually eliminate sticking and leaking and are easily serviced.
RATIO SCALE).
unequaled corrosion resistance and years of service.
driven sprocket.Gallons Per Acre
Swath PP1 PP2
 15 ft. 20 ft. 25 ft. 30 ft. 35 ft. 40 ft. 45 ft. 50 ft. 60 ft.
0 - 78 0 - 58 0 - 47 0 - 39 0 - 33.5 0 - 29 0 - 26 0 - 23.5 0 - 18.5
0 - 156 0 - 116 0 - 94 0 - 78 0 - 67 0 - 58 0 - 52 0 - 47 0 - 37
 SINGLE PISTON PUMPS
 50 Tooth Tire Drive
PART NO. DESCRIPTION Sprocket LIST PRICE
5232 Lil’ Thumper Single Piston 1.25” Diameter Solid Shaft
Diagram A
$3,114.39
5230 Lil’ Thumper Single Piston with clutch, less shut-off
$3,456.33
PP1 Lil’ Thumper Single Piston with manual shut-off
$3,429.13
DOUBLE PISTON PUMPS
PART NO. DESCRIPTION
LIST PRICE
5233 Lil’ Thumper Double Piston 1.25” Diameter Solid Shaft Only
$4,746.38
PP2 Lil’ Thumper Double Piston with manual shut-off
$4,993.12
         PISTON PUMP CLUTCH PARTS
PISTON PUMP CLUTCH PARTS
PISTON PUMP PARTS KITS
ts 2) R ef.
(Re 2) R ef. ck
REF. PART
PART.
DESCRIPTION
P
44
NO. NO.
SC
N
CE
D
O.
RIC
E
RIP
TIO
PRI
PISTON PUMP PARTS KITS
N
E
R⁄E"xF⁄"CupPoPinAtSReTtScrew $0.52 LIST
 55
16
16
5224 Wiper Repair Kit (Requires 2 Ki
1 1N⁄O
4
"I..D.LockCoNllaOr. DESCR$I1P4T.6I0ON PRICE Consists of (2) Ref. 27 Wiper, (
 Clutch S
1⁄
8
1.
"
1 "x⁄
2
pring
Roll Pin
00087-DM
$6.80
5/16 X 5/16 Cup Point SeO-tRSincgre(3w) Ref. 25 $0.19
O-RNin/Ag (4) R
1 ⁄ 4 "2x. 1 ⁄ 4 ”
x 1051⁄8"5K9e8y-95-DM
1-1/4 ID $L3o.1c9k Collar
O-Ring and (1) Re
f. 43 O-Ring
$39.39
3.
" I.
1 1-1⁄
4
1 1 1- ⁄
" I.
4
01193-DM
D. Clutch Yoke
D. Sprocket Casting (1
$66.29 5915 Stack Pack & Wip Clutch Spring
8tooth) $75.88 Consistsof(2)Re
$18.36
er Repair Kit
f. 27 Wiper, (
1-41⁄4." I.D.
18 G0a1.9M7a6ch-DineMWash
1er/8 x 1/2$0R.5o8ll Pin O-Ring (3) Ref. 25
O-RNin/Ag (4) R
5.
Clutch T
01549-DM
hrow Out Yoke
1/4 x 1/4 x 1-5/8 Key
$55.27 O-Ring and (1) Re
$8.60
f. 56 Stack Pa
6.
01184-1-114-30
1 1-1/4 ID Clutch Yoke
$179.71
7.
01183-1-114-30
1 1-1/4 ID Sprocket Casting(18 tooth)
$206.43
8.
01979-DM
1-1/4 ID 18 Ga. Machine Washer
N/A
9.
01576-30-DM
Clutch Throw Out Yoke
$150.57
 PART LIST for PP2)
NO. DESCRIPTION     PRICE ef. 24
26 5224
quires 2 Kit ef. 24
26
Wiper Repair Kit (Requires 2 Kits for PP2) $32.95
Consists of (2) Ref. 27 Wiper, (2) Ref. 24 O-Ring,
(3) Ref. 25 O-Ring (4) Ref. 26 O-Ring and (1) Ref. 43 O-Ring
s for PP2)
$89.86
5915
$189.48
Stack Pack & Wiper Repair Kit (Requires 2 Kits for PP2). Consists of (2) Ref. 27 Wiper, (2) Ref. 24 O-Ring, (3) Ref. 25 O-Ring, (4) Ref. 26 O-Ring, and (1) Ref. 56 Stack Pack
$512.43
 1. 00087
2. 01598-95
3. 01193
4. 01976
5. 01549
6. 01184 1 1/4-30
7. 01183 1 1/4-30
8. 01979
9. 01576-30
        Ground Drive for Piston Pump
Phone: 1-800-543-3626 Fax: 1
Pump, tire and sprocket Lil’ Thumper Pump Mounting not included
Drive Sprockets
  -800-845-6420
Website: www.demco-products.com
DESCRIPTION PRICE
PART NO.
LIST
  PPGDW Ground Drive Wheel for Lil’ Thumper Piston Pump Mounting for 7” x 7” tool bar. $2,725.82 Includes chain, hub and necessary mounting hardware (less tire).
T590L Traction Tire for Ground Drive Wheel (590 x 15”) $2,786.86
   07209-30 18 tooth sprocket, 11⁄4” bore, #50 chain $216.14
   PART LIST NO. DESCRIPTION     PRICE
5228 Universal Mounting Kit for Planter • Includes mounting rails, plates, four 28 tooth $881.57 sprockets, 6 feet of #40 roller chain w/ connecting link, jack shaft and all necessary
hardware.
Note: Modifications may be necessary for some planters.
  PART LIST NO. DESCRIPTION   PRICE
 07325 15 tooth sprocket, 11⁄4” bore, #40 chain $109.29
28TS-1-30 28 tooth split sprocket for 7⁄8” hex shaft #40 chain $143.29
  28TH-1-1/4-30 28 tooth sprocket, 11⁄4” bore, #40 chain $157.86
  07209-30 18 tooth sprocket, 11⁄4” bore, #50 chain $216.14
  368
Grimes, IA 800-351-1587 • Gardner, KS 877-829-8502
• Brimfield, IL 855-778-8500
        DEMCO LIL’ THUMPER PUMPS
Fertilizer Equipment
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