The diagnostic basic (DB) chassis is the primary structural frame of the Dolphin M200 robotic pool cleaner, referenced internally as the DIAG.BASIC \u2013 CHASSIS. It forms the rigid backbone of the robot, mounting and aligning every major sub-assembly \u2014 drive motors, impeller housing, filter bay, track system and circuit boards \u2014 into a single cohesive unit that withstands continuous underwater operation.<\/p>\n
The chassis holds the spatial relationship between the drive train, the cleaning head and the filtration compartment in precise geometry. Any distortion, crack or broken mounting point in the frame will misalign these sub-assemblies, causing erratic navigation, track slip, or loss of suction, regardless of whether the individual components themselves are serviceable. Replacing the chassis restores the mechanical reference plane on which all other parts depend.<\/p>\n
This chassis (SKU 9980200) is cross-referenced across several robots in the same Maytronics platform family, including the Dolphin M200 CLI CART CB and related variants. Third-party parts databases also list it as compatible with the Dolphin DX3, DX3s, DX4, DX4s, Apollo, Apollo Plus, Atlantis, Neptune, Neptune Plus, Orion, Primal X3 and Saturn ranges that share the same diagnostic-basic chassis architecture. Always verify your exact model code before ordering.<\/p>\n
Visible cracking or warping of the main body shell, broken motor-mount pillars, snapped track-axle bosses, or frame flex that prevents the top cover from seating correctly are all clear indicators. A robot that moves erratically or whose tracks pop off repeatedly despite undamaged tracks and wheels often traces back to a deformed chassis rather than to the drive components themselves.<\/p>\n
An aftermarket chassis may not hold the motor and impeller cavities to the same tolerances as the original moulding, introducing vibration, accelerated seal wear and premature motor failure. Fitting genuine Maytronics parts also preserves any remaining manufacturer warranty and ensures that all existing spare parts \u2014 brushes, tracks, filter lids, drive shafts \u2014 seat and seal exactly as intended.<\/p>","protected":false},"excerpt":{"rendered":"