Hilti Cement Saw DSHS64-14 (2012)

Cement saws are crucial power tools in the construction industry. Since the early 20th century, cement and concrete saws have been essential for road construction and infrastructure development. The Hilti DS HS64-12/14 model utilizes the technological advancements that have made these power tools necessary in professional construction.

The DS HS64-12/14 is engineered for dry and wet cutting applications and can cut through mixed minerals, asphalt, and various metallic materials. This model features a diamond cutting blade, which enhances cutting precision and operator safety. It offers versatility for construction professionals handling diverse cutting tasks in construction, renovation, and industrial projects. The saw's dual-operation capability—usable as either a hand-held device or mounted on a trolley for walk-behind operation—makes the DS HS64-12/14 suitable for horizontal and vertical cutting applications.

While no specific recall information has been identified for this model, common issues with similar cement saws typically involve motor overheating, blade mounting system errors, dust control mechanism failures, and water feed system malfunctions.

The type designation and serial number can be found on the rating plate. This is an infographic from the user manual to help you identify your specific model and serial number:

Machine 

Dimensions 

• Length: 29.1” (740 mm)
• Width: 15.8” (400 mm)
• Height: 8.3” (210 mm)

Engine 

• Engine Type: two-stroke/single cylinder/air-cooled
• Cubic Capacity: 3.9 cu (63.3 cm³)
• Bore and Stroke: 48 mm/ 35 mm
• Weight without Disc: 22.9 lb. (10.4 kg)
• Power: 3.0 kW
• Maximum Arbor Speed: 5100 r.p.m.
• Engine Speed: 10,000 ± 200 r.p.m.
• No-load Speed: 2,500-3,000 r.p.m.
• Ignition (Type): Electronic Speed Control
• Electrode Gap: 0.35 mm

Spark Plug 

• Manufacturer: Champion / NKG
• Type: RCJ4 / BPMR8Y

Carburetor 

• Manufacturer: Walbro
• Model: HDA 207
• Type: diaphragm / jet

Fuel 

• Fuel Mixture: 2% (50:1)
• Tank Volume (capacity): 0.18 gallon (700 cm³)

Cutting Disc 

• Cutting Disc Mount: Reversible
• Arbor Diameter: 20 mm and 1” (25.44 mm)
• Cutting Disc Diameter:  
  • 12” blade: 300 mm (12”)
  • 14” blade: 350 mm (14”)
• Maximum Depth of Cut: 
  • 12” blade: 100 mm (4”)
  • 14” blade: 125 mm (5”)

Noise Level Emittance: Wear Ear Protection! 

• Noise Level (pressure) L_pA eq EN 1454 — EN ISO 11201: 101 dB (A)*
• Noise Level (power) L_WA eq EN 1454 — EN ISO 3744: 109 dB (A)*
• Typical Weighted Vibration EN 1454 — EN 28662-1:  
  • Idling vibration: 9.5 (SX)-11.4(DX) m/s²
  • Maximum speed: 9.2 (SX)-10.9(DX) m/s²

*Average (½ idling, ½ maximum speed), wear ear protectors!

Source: DS HS64- 12/14 Repair Manual (included in this guide)

• Hilti USA Official Website
• Hilti Cement Saw Pull Rope Replacement
• Hilti Cement Saw Start Problem Suggested Solutions