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