allen AMM7H8 Application guide

OPERATIONS & PARTS MANUAL
Mortar Mixer
Manual Part #: 068238 | Revision: D

This manual, or a copy of it, must be kept with the machine at all times.
There is a manual storage container located on the machine for your convenience.

OPERATIONS-PARTS MANUAL
Mortar Mixer
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This Manual Covers the Products Listed Below:
Part No. Description Model
061730.........Mixer, Mortar, 7ft3Steel Drum, Honda GX240 - 8HP Class Engine ......................... AMM7H8
064920.........Mixer, Mortar, 8ft3Poly Drum, Honda GX240 - 8HP Class Engine......................... AMM8PH8
061740.........Mixer, Mortar, 9.5ft3Steel Drum, Honda GX240 - 8HP Class Engine ...................... AMM9H8
064930.........Mixer, Mortar, 9.5ft3Steel Drum - Spiral Mix, Honda GX240 - 8HP Engine........... AMMS9H8
064935.........Mixer, Mortar, 12ft3Steel Drum, Gear/Belt Drive, Honda GX390 - 13HP ............. AMM12H13

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Table of Contents
Sec. No. Title Page
--- Limited Warranty ............................................................................................................ 6
--- Information Contained In This Manual............................................................................. 7
--- Dealer Information.......................................................................................................... 8
--- Ordering Parts ................................................................................................................ 9
--- Model Number - Serial Number Codes.......................................................................... 10
--- UnitIdentication ......................................................................................................... 11
--- Technicalspecications................................................................................................ 12
--- EngineSpecications ................................................................................................... 13
--- Assembly Instructions................................................................................................... 15
1.0 Safety
--- State Regulations ......................................................................................................... 18
--- Federal Regulations...................................................................................................... 19
1.1 General Safety Precautions........................................................................................... 20
1.2 Spark Arrestor Notice.................................................................................................... 21
1.3 General Safety.............................................................................................................. 22
1.4 Engine Safety ............................................................................................................... 25
1.5 Transportation Safety.................................................................................................... 26
2.0 Operations
2.1 Pre-Operation .............................................................................................................. 28
2.2 Operating ..................................................................................................................... 29
3.0 Service
3.1 Maintenance and Service Schedule .............................................................................. 32
4.0 Parts
4.1 Drum Assembly, AMM7-AMM12, .................................................................................. 34
4.2 Paddle Assembly, AMM7-AMM12 ................................................................................. 36
4.3 Frame Assembly, AMM7-AMM12 .................................................................................. 38
4.4 Drum Assembly, AMM8P............................................................................................... 40
4.5 Paddle Assembly, AMM8P............................................................................................. 42
4.6 Frame Assembly, AMM8P.............................................................................................. 44
4.7 Motor Drive Assembly, AMM7-AMM9 & AMM8P............................................................ 46
4.8 Motor Drive Assembly, AMM12 ..................................................................................... 47
4.9 Hood Assembly (All Models).......................................................................................... 48
4.10 Decals.......................................................................................................................... 49
--- Revision Detail.............................................................................................................. 54
--- Copyright Information ................................................................................................... 55

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PAGE LEFT BLANK INTENTIONALLY

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Limited Warranty
Allen Engineering Corporation (“Allen”) warrants its products to be free of defects in material or workmanship for:
TWO YEARS FROM END USER’S DATE OF PURCHASE
Warranty period begins on the date of purchase by the End User of the product. All warranty is based on the following limited warranty
terms and conditions, including the disclaimer of implied warranties and consequential damages.
1. Allen’s obligation and liability under this warranty is limited to repairing or replacing parts if, after Allen’s inspection, there is de-
termined to be a defect in material or workmanship. Allen reserves the choice to repair or replace.
2. If Allen chooses to replace the part, it will be at no cost to the customer and will be made available to the Allen Distributor, Dealer,
or Rental Center from whom the End User purchased the product.
3. Replacement or repair parts, installed in the product, are warranted only for the remainder of warranty period of the product as
though they were the original parts.
4. Allen does not warranty engines or batteries. Engine warranty claims should be made directly to an authorized factory service
center for the particular engine manufacturer. Batteries are not warranted due to unknown treatment during transport, etc, and
any battery claims should be directed to the battery manufacturer.
5. Allen’swarrantydoesnotcoverthenormalmaintenanceofproductsoritscomponents(suchasenginetuneupsandoil&lter
changes). The warranty also does not cover normal wear and tear items (such as belts and consumables).
6. Allen’s warranty will be void if it is determined that the defect resulted from operator abuse, failure to perform normal maintenance
ontheproduct,modicationtoproduct,alterationsorrepairsmadetotheproductwithoutthewrittenapprovalofAllen.Allen
specicallyexcludesfromwarrantyanydamagetoanytrowelsresultingfromanimpacttotherotors.
7. Impact damage to gear boxes is not covered under the Allen warranty and is deemed customer abuse.
8. Allen will pay shop labor on warranty items at the Allen Shop Labor Rate in existence on the date of the warranty claim. An Allen
labor chart will determine the time allowed to complete a repair and will govern the shop labor hours that will be allowed.
9. Allen will pay freight on warranty replacement parts at worldwide standard ground rates. No warranty replacement parts will be
shipped air freight at the expense of Allen. Allen only pays outbound freight charges when sending warranty replacement parts to
the customer via ground service. Allen does not pay any inbound freight. However, if Allen determines this to be a warranted item,
only then will Allen reimburse the customer for inbound freight at standard ground rates.
10. ALLEN ENGINEERING CORPORATION’S WARRANTY POLICY WILL NOT COVER THE FOLLOWING: TAXES;
11. SHOP SUPPLIES; ENVIRONMENTAL SURCHARGES; AIR FREIGHT; TRAVEL TIME; LOSS OF TIME; INCONVENIENCE; LOSS OF RENTAL
REVENUE; RENTAL COSTS OF EQUIPMENT USED TO REPLACE THE PRODUCT BEING REPAIRED;
12. LOSS OF USE OF THE PRODUCT; COMMERCIAL LOSS; OR ANY OTHER CHARGES WHATSOEVER OR ANY LIABILITIES FOR DIRECT,
INCIDENTAL, OR CONSEQUENTIAL DAMAGE OR DELAY.
13. ALLEN ENGINEERING CORPORATION MAKES NO OTHER WARRANTY, EXPRESSED OR IMPLIED. THIS LIMITED WARRANTY IS IN
LIEU OF THE WARRANTY OF MERCHANTABILITY AND FITNESS. THERE ARE NO OTHER WARRANTIES THAT EXTEND BEYOND THE
DESCRIPTION ON THIS DOCUMENT.
14. No Allen employee or representative is authorized to change this warranty in any way or grant any other warranty
15. unlesssuchchangeismadeinwritingandsignedbyanofcerofAllenEngineeringCorporation.

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Information Contained In This Manual
This manual provides information and procedures to safely operate and maintain the Allen Machine.
For your own safety and protection from personal injury, carefully read, understand, and observe the
safety instructions described in this manual. Keep this manual or a copy of it with the machine at all
times.
Always operate this machine in accordance with the instructions described in this manual. A well main-
tained piece of equipment will provide many years of trouble free operation.
This manual is divided into the following sections:
Complete any warranty requirements as specified by the engine manufacturer in their instructions found
inside the manual box located on the back of the riding trowel operator’s seat.
Your engine and clutch are not manufactured by Allen Engineering Corporation, Inc, and therefore is not
covered under Allen Engineering Corporation, Inc warranty.
Your engine manufacturer should be contacted if you wish to purchase a parts manual or a repair man-
ual for your engine.
Refer to enclosed owners engine manual for complete O&M instructions. See your battery manufacturer
for battery warranty.
SECTION 1
SAFETY
SECTION 2
OPERATIONS
SECTION 3
SERVICE
SECTION 4
PARTS

Your Dealer has Allen Engineering Corporation trained mechanics and original Allen replacement parts. Always
contact the Allen Dealer who sold you this machine for Allen Certified repairs and replacement parts.
Place Allen Dealer information below for future reference.
Dealer Name: ______________________________________________________________
Phone #: (____) - ____ - ______________________________________________________
Address: _________________________________________________________________
City: ____________________________________ State:________ Zip:_____________
Salesman: _______________________________ Mobile Phone __________________
Additional Comments: _____________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
Dealer Information
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Section 4.0 contains illustrated parts lists for help in ordering replacement parts for your machine. Follow the instructions
below when ordering parts to insure prompt and accurate delivery:
1. All orders for service parts - include the serial number for the machine. Shipment will be delayed if this information
is not available.
2. Include correct description and part number from the “PARTS” section of this manual.
3. Specify exact shipping instructions, including the preferred routing and complete destination address.
4. DO NOT return parts to AEC without receiving written authorization from AEC. All authorized returns must be shipped
pre-paid.
5. When placing an order, please contact the AEC dealer nearest you.
Ordering Parts
ALL INFORMATION, SPECIFICATIONS, AND ILLUSTRATIONS IN THIS MANUAL ARE
SUBJECT TO CHANGE WITHOUT NOTICE AND ARE BASED ON THE LATEST
INFORMATION AT THE TIME OF PUBLICATION.
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Model Number - Serial Number Codes
Manufacturer’s Codes:
When ordering parts or requesting service information, you will always be asked to specify the model and
serialnumbersofthemachine.Thelegendsbelowspecicallydeneseachsignicantcharacterorgroup
of characters of the Model Number and Serial Number codes.
Model Number
AMM 9 H8
Bucket Size
6 or 9 Cubic Feet
Allen Mortar Mixer
Serial Number
Theserialnumberfoundontheidenticationplateisaseventeendigitformat.Themodelnumberidenti-
esyourmachineandwillensurethatyoureceivethecorrectreplacementparts.
Serial Number Example
3A9S28M10E1168087
Engine - Honda 8HP

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Unit Identication
The serial number plate is located on the front bucket post.
Pleaserecordtheinformationfoundonthisplatebelowsoitwillbeavailableshouldtheidenticationplatebecomelostor
damaged. When ordering parts or requesting service information, you will always be asked to specify the model and serial
numbers of the machine.
FILL IN FOR FUTURE REFERENCE
Model Number:____________________________
Serial Number:____________________________
Date Purchased:___________________________
Purchased From:___________________________
Serial Number Plate

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Technical Specications
MODEL AMM7H8 AMM8PH8 AMM9H8 AMMS9H8 AMM12H13
Batch Capacity bags 2 - 2½ bags 2½ - 3 bags 3 - 3½ bags 3 - 3½ bags 3½ - 4 Bags
Capacity cu.ft. (lts) 7 cu.ft (198) 8 cu.ft (230) 9.5 cu.ft (270) 9.5 cu.ft (270) 12 cu.ft (340)
Engine Power Honda 8 HP Honda 8 HP Honda 8 HP Honda 8 HP Honda 13 HP
Drive System V-Belt to Gears V-Belt to Gears V-Belt to Gears V-Belt to Gears Double Transmission
V-Belt to Gears
Wheels Size 13 x 6.5
High - Speed
13 x 6.5
High - Speed
13 x 6.5
High - Speed
13 x 6.5
High - Speed
13 x 6.5
High - Speed
Overall Width in (cm) 45” (114) 51” (129) 51” (129) 51” (129 51” (129)
Tow Pole in Length in (cm) 76” (147) 76” (147) 76” (147) 76” (147) 87” (220)
Overall Height in (cm) 55” (140) 58” (147) 60” (152) 60” (152) 58” (147)
Operating Weight lbs. (Kg) 683 lbs. (309) 772 lbs. (350) 816 lbs. (370) 816 lbs. (370) 980 lbs. (444)
Drum Wrap 1/8” Wrap 1/8” Wrap 3/16” Wrap 3/16” Wrap 3/16” Wrap
Drum End Plates 3/16” Ends 3/16” Ends 3/16” Ends 3/16” Ends 1/4” Ends
Drum Thickness up-
grade available up to: 1/4” Whole Wrap 1/4” Whole Wrap 1/4” Whole Wrap 1/4” Whole Wrap 1/4” Whole Wrap
Spiral Blade No No No Yes No

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Engine Specications
GX240
Engine Type Air-cooled 4-stroke OHV
Bore x Stroke 73 X 58 mm
Displacement 270 cm3
Net Power Output* 7.9 HP (5.9 kW) @ 3,600 rpm
Net Torque 13.5 lb-ft (18.3 Nm) @ 2,500 rpm
PTO Shaft Rotation Counterclockwise (from PTO shaft side)
Compression Ratio 8.5:1
Lamp/Charge coil options 25W, 50W / 1A, 3A, 10A, 18A
Carburetor ButteryFloatType
Ignition System Digital CDI with variable ignition timing
Starting System Recoil/electric
Lubrication System Splash
Governor System Centrifugal Mass Type
Air cleaner Dual element
Oil Capacity 1.16 US qt (1.1 L)
Fuel Tank Capacity 5.6 U.S. qts (5.3 liters)
Fuel Unleaded 86 octane or higher
Dry Weight 55.1 to 66.1 lb (25 to 30 kg)

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Engine Specications, continued
GX390
Engine Type Air-cooled 4-stroke OHV
Bore x Stroke 88 X 64 mm
Displacement 389 cm3
Net Power Output* 11.7 HP (8.7 kW) @ 3,600 rpm
Net Torque 19.5 lb-ft (26.4 Nm) @ 2,500 rpm
PTO Shaft Rotation Counterclockwise (from PTO shaft side)
Compression Ratio 8.2:1
Lamp/Charge coil options 25W, 50W / 1A, 3A, 10A, 18A
Carburetor ButteryFloatType
Ignition System Digital CDI with variable timing
Starting System Recoil/electric
Lubrication System Splash
Governor System Centrifugal Mass Type
Air cleaner Dual element
Oil Capacity 1.16 US qt (1.1 L)
Fuel Tank Capacity 6.4 U.S. qts (6.1 liters)
Fuel Unleaded 86 octane or higher
Dry Weight 69 lb (31.5 kg)

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Assembly Instructions
1. Remove the mixer and all components from its shipping crate. You will see:
• Two (2) rim and tire assemblies.
• Axle assembly with hubs on each side, idler spring, and eight (8) lug nuts.
• Selected hitch with lock pin and bolt and safety bolt with hair pin.
Note: All installation hardware must be inserted into its respective location on the
mixer, see Section 4 for more details.
1. After removing all mixers’ safety packing, while standing on an end, locate the axle’s place on the mixer. You need to
locate the bolts attached to the mixer shroud, bolted to the pallet and make sure this bolts are removed.
2. Lift the axle up to the mixer frame and position it with the bracket spring lined up to the idler clutch hole on the mix-
er’s frame.
3. Insert two 1/2 inch bolts with a washer through the frame and the vertical mounting bracket on the axle. Secure each
bolt with a washer and locknut. Tight the bolts at 57 ft.-lbs.
4. Remove the lug nuts from the axle and mount the speed wheel, after wheel is mounted proceed to place the lug nuts
(make sure the conical (tapered) end is facing the inside of the wheel. Torque to 105 ft.-lbs.
5. Proceed with the second wheel using the steps of point #3.
6. Hook one end of the spring to the idler arm. Hook the other end of the spring to the spring plate on the axle. The
spring should be hooked through the second hole from the top toward the middle of the mixer.
7. Using appropriated Equipment, put the mixer down to the ground.
Warning: failure to use proper lifting equipment could cause mixer to fall and cause
serious injury.
1. Position the safety chain through the key slots in the front leg. Adjust the chain’s ends to equal length.
2. Remove the safety bolt and pin from the tow bar.
3. Install the tow bar through the front leg.
4. Insert the pin through the front leg and the front hole in the tow bar. Secure the pin with a hairpin cotter.
5. Insert the 3/4” bolt through the rear hole and secure with a lock washer and nut. Tighten securely.

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Notes

SECTION 1
SAFETY
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SECTION 1
SAFETY

SECTION 1
SAFETY
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State Regulations
Proposition 65 Warning

SECTION 1
SAFETY
068238 Page 19
Federal Regulations
Respiratory Hazards

SECTION 1
SAFETY
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1.1.1 Safety-Alert Signs
This manual contains Safety-Alert Signs, as defined below, which must be followed to
reduce the possibility of improper service damage to the equipment or personal injury.
Read and follow all Safety-Alert Signs included in this manual.
NOTE defines an operating procedure,
condition, etc. which is essential to
highlight that contains useful or
important information.
EMERGENCY is used for the identification of safety equipment,
first aid, or emergency egress locations.
NOTICE used to convey safety information on labels and signs.
CAUTION is indicative of a potentially hazardous situation which,
if not avoided, may result in minor or moderate injury.
WARNING indicates potentially hazardous situations that could result in death
or serious injury
DANGER indicates an imminently hazardous situation which,
if not avoided, will result in death or serious injury.
1.1 - General Safety Precautions