HDA-SERIES
 Proposition 65 Warning
Page
 Table of Contents
 Order via Fax Dealers Only
Parts Ordering Procedures
Best Deal! Order via Internet Dealers Only
 Training Checklist
Training Checklist
Read Operator’s Manual completely
Machine layout, location of components, checking of engine
 Daily PRE-OPERATION Checklist
Daily PRE-OPERATION Checklist
 Safety Message Alert Symbols
Do not follow directions
 You do not follow instructions
Always wear approved eye and hearing protection
Property, or the surrounding
 Rules for Safe Operation
Safety
Rules for Safe Operation
 Always know the location of the nearest and first aid kit
Maintenance Safety
Emergencies
 Operation and Safety Decals
Operation and Safety Decals
 Specifications Trowel
Specifications Trowel
Height Lifting Hook 34.5 in 876.2 mm
Top View SideView
 Specifications Engines
Specifications Engines
Model
Honda GX340K1QA2 Honda GX390K1QA2
 General Information
General Information
 Controls and Components
HDA-SERIES Walk-Behind Trowels
 Guard Ring- NEVER! put hands or feet inside guard ring
 Initial Servicing
Basic Engine
Basic Engine
 Assembly and Installation
Assembly and Installation
HandleTube Installation All Models
Feed the throttle cable through the cable housing
 Tighten cable clamp screw and swivel stop screw
Handle Height Adjustment
Safety Stop SwitchWire
 Blade Pitch Cable
 PRE-INSPECTION
PRE-INSPECTION
Before Starting
Engine Oil Check
 Controls
 Initial START-UP
Initial START-UP
Lifting the Trowel Onto a Slab Auxiliary Lifting Tube
Lifting Bail Option
 Test the Safety Stop Switch
Place the Choke Lever in the Closed position
 PitchingThe Blades Quick-PitchHandle
Operation
Operation
 Never place your feet or hands inside
Parts while operating this equipment
Guard rings while starting or operating this
Equipment
 Options
Options
Clip-On Float Blades Optional
Combo Blades
 Trowel Arm Adjustment Fixture
Lifting Bail
 Maintenance Schedule
Maintenance
Maintenance
 Remove the trowel arm from the spider plate
Spider Removal
Trowel Arm Removal
 Bronze Bushings Trowel Blade Removal
Trowel Arm Flatness Test
 Trowel Arm Adjustment
AdjustmentBolt
Re-Assembly
Locking Nut
 Testing
Changing a Blade Belt Removal and Replacement
Before removing the blades
Engine Engine Oil Change
 Troubleshooting Trowel
Troubleshooting Trowel
 Troubleshooting Trowel
 Troubleshooting Engine
Troubleshooting Engine
 Explanation of Codes
Xxxxx only Not Used on
 ARM 16-1/2
Suggested Spare Parts
Description
 Nameplate and Decals
 Decal PRE-LOAD Indicator
Service Dept
Decal Power Trowel
Decal QUICK-PITCH Handle
 Standard Handle ASSY. OLD Style
Detail B See Detail a
 HANDLE, Adjustable
Wire ASSY., Safety Stop Switch
HOUSING, Cable
GRIP, Handle
 Standard Handle ASSY. NEW Style
 WHEEL, Hand Handle
 QUICK-PITCH Handle ASSY. OLD Style
 CONNECTOR, QP Control ARM
BLOCK, QP Adjustment
DECAL, Latch Warning
DECAL, Q.P. Warning
 QUICK-PITCH Handle ASSY. OLD Style
 NUT, QP Trim Control Adjust
SCREW, QP Trim Adjustment
HOUSING, Throttle Cable
DECAL, Arrow
 QUICK-PITCH Handle ASSY. NEW Style
 PIN, Support Block 3/8 X
 Blade Spider Assy
 Wear Ring
Flange Bearing
Wear Plate
Bushing
 Gearbox & Engine Mounts Assy
 SEAL, OIL TCM 10172VTB-H
FLANGE, Countershaft
BEARING, CUP, Timken
BEARING, CONE, Timken
 ENGINE, 11 HP Honda Assy
 Part Name QTY Remarks
 ENGINE, 13 HP Honda Assy
 Includes Item W/%
 Guard Ring Assy
 Part Name QTY. Remarks
9178
 Stabilizer Ring Assy
Detail a
 WASHER, LOCK, 5/16 MED
1237
 Blades & ARM ADJ. Fixture ASSY. Options
 0202 Hhcs 5/16-18X1 Ring 0201
1434
1162 a
7281
 Lifting Bail ASSY. Option
 10229 Hhcs 5/16-24X1 0161 a
2360
 Honda GX340K1QA2 AIR Cleaner Assy
 ELEMENT, AIR Cleaner
COVER, AIR Cleaner
GROMMET, AIR Cleaner
COLLAR, AIR Cleaner
 Honda GX340K1QA2 Camshaft Assy
 SPRING, Weight Return
ROD, Push
ARM, Valve Rocker
LIFTER, Valve
 Honda GX340K1QA2 Piston Assy
 BOLT, Connecting ROD
Ring SET, PISTON- Standard
Ring SET, PISTON- OS
Ring SET, Ppiston
 Honda GX340K1QA2 Crankcase Cover Assy
 WEIGHT, Governor
HOLDER, Governor Weight
PIN, Governor Weight
GASKET, Case Cover
 Honda GX340K1QA2 Crankshaft Assy
 WEIGHT, Balancer
13310ZE3601
13351ZE3010
90756ZE2600 KEY 961006207000
 Honda GX340K1QA2 Cylinder Barrel Assy
 USE from Engine
SHAFT, Governor ARM
BOLT, Drain Plug
NUT, Flange 10MM
 Honda GX340K1QA2 Cylinder Head Assy
 CLIP, Valve Guide
GASKET, Cylinder Head
COVER, Head
TUBE, Breather
 Honda GX340K1QA2 FAN Cover Assy
 CLIP, Wire Harness
CLIP, Tube
COVER, FAN *R8* Bright RED
Shroud
 Honda GX340K1QA2 Flywheel Assy
 FAN, Cooling
Flywheel
 Honda GX340K1QA2 Fuel Tank Assy
 RUBBER, Supporter 107MM
JOINT, Fuel Tank
Tank Fuel *T34* Simpson Blue
GASKET, Fuel Filler CAP
 Honda GX340K1QA2 Ignition Coil Assy
 WIRE, Stop Switch 430MM
Coil ASSEMBLY, Ignition
GROMMET, Wire
 Honda GX340K1QA2 Carburetor Assy
 Gasket SET
Valve SET, Float
Float SET
Includes Items W/%
 Honda GX340K1QA2 Carburetor Assy
 25 + 9430520122
 Honda GX340K1QA2 Muffler Assy
 Muffler
PROTECTOR, Muffler
PROTECTOR, EX. Pipe
PIPE, EX
 Honda GX340K1QA2 Recoil Starter Assy
 PULLEY, Recoil Starter
RATCHET, Starter
SPRING, Friction
SPRING, Starter Return
 No ART Work
Honda GX340K1QA2 Control Assy
 ARM, Governor
ROD, Governor
SPRING, Governor
SPRING, Throttle Return
 Honda GX340K1QA2 Labels Assy
 Emblem
LABEL, Caution
MARK, Choke External
MARK, OIL Alert E
 Honda GX390K1QA2- AIR Cleaner Assy
 Collar B, AIR Cleaner Includes Items W
WINGNUT, Tool BOX Setting
17231ZE3W01
90009ZE2003
 Honda GX390K1QA2- Camshaft Assy
 VALVE, Intake
VALVE, Exhaust
 Honda GX390K1QA2- Piston Assy
 Ring SET, Piston STD
Ring SET, Piston OS 0.25, OPT
Ring SET, Piston OS 0.50, OPT
Piston Standard
 Honda GX390K1QA2- Crankcase Cover Assy
 Includes Items W/ #
 Honda GX390K1QA2- Crankshaft Assy
 BEARING, Radial Ball 6207S
13310ZF6W10
90745ZE2600 KEY 91001ZF6003
 Honda GX390K1QA2- Cylinder Barrel Assy
 3415ZH7003
91203952771
91353671003
 Honda GX390K1QA2- Cylinder Head Assy
 GUIDE, Valve OS Optional
GUIDE, EX. Valve OS Optional
GASKET, Cylinder Head Cover
Spark Plug BPR6ES NGK
 Honda GX390K1QA2- FAN Cover Assy
 19610ZE3010ZB
COVER, FAN *NH1*, Black
 Honda GX390K1QA2- Flywheel Assy
 PULLEY, Starter Screen Grid
 Honda GX390K1QA2- Fuel Tank Assy
 RUBBER, Supporter 107 MM
17510ZE3010ZB
TANK, Fuel *NH1* Black
91353671003 Ring 13.5X1.5 Arai 9405008000
 Honda GX390K1QA2- Ignition Coil Assy
 30500ZF6W01
 Honda GX390K1QA2- Carburetor Assy
 PLATE, Lever Setting
Screw SET, Drain Includes Items W/#
Screw SET B Includes Items W/#
JET, Main #92
 Honda GX390K1QA2- Muffler Assy
 PROTECTOR, Exhaust Pipe
PIPE, Exhaust
 Honda GX390K1QA2- Recoil Starter Assy
 28400ZE3W01ZB
28410ZE3W01ZB
28462ZV7003
90008ZE2003
 Honda GX390K1QA2- Control Assy
 BASE, Control
NUT, SELF-LOCK 6MM
 Honda GX390K1QA2- Gasket KIT Assy
 Gasket KIT
GASKET, Insulator
GASKET, Exhaust Pipe
 Honda GX390K1QA2- Labels Assy
 87576ZH7W00
87521ZF6W01
87530ZF6W10
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