Sand-vik DD/DL Series + Maintenance Kit BG00800260

1. Compatible Models

DD Development Drill Rigs

DL Longhole Drill Rigs

Matched Rock Drills

2. Kit Overview & Application

• Type: Planned Maintenance Kit
• Standard Service Interval: 500 working hours
• Contents: Complete set of seals, O-rings, filter elements, wear washers, diaphragm (Part No. 09260298), special grease and other accessories
• Functions: Replace worn parts in one go to reduce downtime, prevent oil leakage and stabilize pressure of hydraulic impact circuits

3. Main Components

• Complete seal kit for hydraulic rock drills (including high and low pressure seals)
• O-ring set for impact piston
• Seals for feed cylinder
• Accumulator diaphragm 09260298 (not interchangeable with Epiroc 3115182201)
• Air filter and hydraulic oil filter
• Wear-resistant bushes and guide rings
• Special grease and installation tools

4. Key Specifications of Diaphragm 09260298

• Material: Oil-resistant rubber (NBR)
• Diameter: Ø140 mm
• Max Working Pressure: ≤ 350 bar
• Operating Temperature: -30℃ ~ +110℃
• Installation: 4-hole flange design, suitable for Sand-vik hydraulic chambers

5. Differences from Epiroc Equivalent Parts

• Sand-vik BG00800260: Matches DD/DL series, equipped with diaphragm 09260298 (Ø140mm) with thick flange
• Epiroc 3115182201: Matches Boomer/COP series, diaphragm diameter Ø125mm with thin flange. These two parts cannot be used interchangeably.