A: Yes. Bosch produced two revisions of the PST 52A (pre-2003 and post-2003). The pre-2003 model used a hex key blade clamp. The post-2003 used tool-less SDS. The "fixed" manual for your serial number is available via Bosch's serial number lookup on their service site.
If you just need the original factory settings from the manual: Bosch Pst 52a Manual Fixed
| Material | Blade Type | Pendulum (Orbit) Setting | Speed Dial Setting | |----------|------------|--------------------------|--------------------| | Soft wood (up to 20 mm) | T101B | 3 | Max | | Hard wood (up to 20 mm) | T101B | 1–2 | 4–6 | | Chipboard / Plywood | T101B | 2–3 | 5–6 | | Aluminum (2–5 mm) | T118A | 0–1 | 4–5 | | Steel sheet (<2 mm) | T118B | 0 | 3–4 | | Plastic / Plexiglass | T101A | 0 | 2–3 | Feature: "Manual Fixed Mode" for Bosch PST 52A
Pendulum 0 = fixed straight cut (no orbit) – best for fine, clean edges. Pendulum 3 = maximum orbit – fast rough cuts. Pendulum 0 = fixed straight cut (no orbit)
Subject: Fixed Operational Procedures and Maintenance Protocols Applicability: Bosch PST 52 A (Variable Speed) Jigsaw Models