Bomag put 008 190 17 on this one: 82 pages of repair procedure for the BW 62 H and BW 65 H double vibratory rollers. The travel pump and travel motor come apart step by step, with installation weights called out so you know what you are lifting, and the travel control cable section covers machines with and without Safety Control C4. Pressure testing starts at the engine, 2960 rpm at high idle (page 22), then roughly 200 bar at the travel pump test port (page 23), with the charge pressure relief valve set to 11 bar (page 16). Drum work runs from exciter shaft end float, 0.2 to 1.6 mm (page 58), through vibration drive V-belt deflection of 10 to 15 mm (page 57). A roller this small gets written off over a fault worth one afternoon. Bookmarked and text-searchable, so the figure you need is two clicks from the cover.
What's Inside This Bomag BW 62 H, BW 65 H Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| Practical Information | 2 | |
| General | 7-20 | Safety Regulations, General Notes for Repairs, Technical Data, Tightening Torques, Special Tools |
| Engine Speed and Travel Pump Testing | 21-23 | Engine Speed Check, Travel Pump Pressure Tests, Hydraulic Test Case, Pump-Testing Equipment |
| Travel Pump Repair | 24-32 | Repair Survey, Disassembling Travel Pump, Assembling Travel Pump, Charge Pressure Relief Valve, Rotor and Shaft Installation |
| Travel Motor Repair | 33-44 | Repair Survey, Disassembling Travel Motor, Assembling Travel Motor, Valve Housing, Balance Plate, Splined Shaft |
| Travel Control Cable Removal and Installation | 45-49 | Removing Control Cable, Installing Control Cable, Water Tank Removal, Steering Rod, Resetting Device |
| Travel Control Cable with Safety Control C4 | 50-54 | Safety Control C4 Removal, Safety Control C4 Installation, Releasing Lever, Contact Button, Function Check |
| Vibration and Drum | 55-81 | Checking the Exciter Shaft Speed, Trouble Shooting in the Vibration System, Removing and Installing the Drum, Repair Survey Drum, Disassembling the Drum, Assembling the Drum |
| Contact Information | 82 | Regional Branches, International Subsidiaries, Email Addresses, Telephone Numbers |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Travel pump installation weight | 15.3 kg | p. 24 |
| Travel motor installation weight | approx. 10 kg | p. 35 |
| Vibration drive V-belt deflection | 10 to 15 mm | p. 57 |
| Exciter shaft end float | 0.2 mm to 1.6 mm | p. 58 |
| Charge pressure relief setting | 11 bar | p. 16 |
| Vibration frequency | 55 Hz | p. 16 |
| Fuel tank capacity | 5 L | p. 16 |
| Water tank capacity | 60 L | p. 16 |
| BW 62 H | ||
| Operating weight (Cece), BW 62 H | 592 kg | p. 15 |
| Static linear load, BW 62 H | 4.9 kg/cm | p. 15 |
| BW 65 H | ||
| Operating weight (Cece), BW 65 H | 709 kg | p. 15 |
| Static linear load, BW 65 H | 5.5 kg/cm | p. 15 |
Bomag BW 62 H, BW 65 H Common Problems This Manual Covers
Bomag BW 62 H or BW 65 H travel drive weak or roller will not move in either direction
Check engine speed, then run the travel pump pressure tests starting on page 21 with the hydraulic test case. If charge pressure will not hold the 11 bar relief setting, suspect internal leakage: disassemble the travel pump following page 26, replace the charge pressure relief valve O-ring, and flush the circuit before refilling.
Manual Section: Engine Speed and Travel Pump Testing p. 21Vibration will not engage or drum vibration output feels weak at full throttle
Check the vibration drive V-belt first: deflection must be 10 to 15 mm, so retension or replace a glazed belt. Then verify charge pressure against the 11 bar setting on page 16, check exciter shaft speed with the procedure on page 56, and work through the vibration troubleshooting section on page 57. Fix pressure faults before pulling the drum.
Manual Section: Vibration and Drum p. 57Drum knocks or rattles when vibration is switched on, noise follows exciter speed
Measure the exciter shaft end float per page 58; it must stay between 0.2 mm and 1.6 mm. Excessive float means worn bearings or spacers: remove the drum following the procedure on page 59, disassemble, and correct the float. Confirm the 55 Hz vibration frequency before putting the machine back on the lift.
Manual Section: Vibration and Drum p. 58Machine surges or creeps after hydraulic repair, travel response jerky and unpredictable
Suspect air trapped in the closed-loop travel circuit. Bleed and flush the system after any component replacement before loading the machine. If the travel motor was opened, verify the valve housing screws are torqued to 60 Nm per page 44, check every fitting for leaks, then run the roller unloaded until travel smooths out.
Manual Section: Travel Motor Repair p. 44Travel lever stiff, sticking, or will not return to neutral from either direction
Remove and inspect the travel control cable following the procedure on page 45; drain and lift out the 60 L water tank to reach it. Replace a kinked or corroded cable instead of lubricating it. On machines with safety control C4, test the releasing lever and contact button with the function check in the section starting on page 50.
Manual Section: Travel Control Cable Removal and Installation p. 45Frequently Asked Questions
What is the nominal high idle engine speed for the BW 62 H and BW 65 H?
The nominal high idle speed for both the BW 62 H and BW 65 H models is approximately 2960 rpm. p. 22
What is the nominal pressure for the travel pump on the BW 62 H and BW 65 H?
The nominal pressure for the travel pump on both models is approximately 200 bar, measured during the travel pump pressure test. p. 23
What is the required deflection for the vibration drive V-belt?
The vibration drive V-belt should have a deflection measurement of approximately 10 to 15 mm (0.4 to 0.6 inches). p. 57
What is the tightening torque for the valve housing screws on the travel motor?
The valve housing screws on the travel motor must be tightened crosswise to a torque of 60 Nm. p. 44
What is the required end float for the exciter shafts?
The end float for the exciter shafts must be between a minimum of 0.2 mm and a maximum of 1.6 mm. p. 58
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