This is one of the most commonly replaced assemblies. It includes the locking sleeve Sealing System:
Slide the rebuilt pistons back into the cylinder sleeve in their original orientation. Re-engage the connecting rod to the pin on the main crankshaft counterweight. Ensure the bevel gear teeth interlock smoothly with the rotor pinion without binding. Fill the oil chamber with genuine oil or approved rotary hammer fluid to ensure long-lasting heat dissipation and gear protection. Tighten all outer casing screws firmly to prevent fluid leaks under high vibration. If you are currently rebuilding your tool, let me know: Hilti TE22 Spare Parts List | PDF | Screw - Scribd
Follow the diagram’s exploded order. For TE 22:
When a Hilti TE 22 experiences performance issues, tracking the symptoms back to specific numbers on the parts diagram streamlines the diagnostic process. Probable Root Cause Target Diagram Items to Check Stripped internal teeth or broken gears Bevel Gear (36), Bevel Pinion (35), Toothed Gear (37) Drill spins fast but has zero hammer action Loss of pneumatic compression or a broken link Drive Piston O-rings (52/53), Connecting Rod (47) Intermittent power or heavy sparking Worn connection points or uneven motor contact Carbon Brushes, Commutator Segments on the Rotor Drill bit slips out or won't lock Weakened retention spring or worn detent balls Locking Sleeve Assy (42), Sleeve (41) 3. Disassembly & Repair Sequence
: Because these are high-power electrical tools, ensure they are unplugged before attempting to access internal gears or the stator/rotor assembly. ReveR.store specific part number for your repair, or are you looking for a step-by-step disassembly guide Hilti TE22 Spare Parts List | PDF | Screw - Scribd
