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Toyota Skid Steer Loader SGK6 SDK6 SDK8 Factory Workshop Manual download

Below is a focused, step‑by‑step technician procedure for replacing a brake rotor on a Toyota Skid Steer Loader (SGK6 / SDK6 / SDK8). Follow the vehicle’s official service manual for model‑specific torque values and any special service steps. Read all safety warnings and wear appropriate PPE.

Summary of required items
- Tools: floor jack or heavy equipment lift, rated jack stands or blocks, wheel chocks, breaker bar, metric socket set, impact gun (optional), torque wrench, hex/Allen/torx set (if needed), caliper piston tool or large C‑clamp, large flat pry bar, rubber or dead‑blow hammer, penetrating oil (PB Blaster), rotor puller (if rotor is seized), wire or caliper hanger, brake cleaner, shop rags, wire brush, shop towels, gloves, safety glasses.
- Consumables / replacement parts: new brake rotor(s), new brake pads (install pads whenever replacing rotors unless pads have minimal wear and are resurfaced), caliper slide pin grease, anti‑seize compound, thread locker (if OEM specifies), new caliper mounting hardware / rotor retaining screws (if supplied), brake fluid (DOT type specified by OEM) and optional bleed kit.
- Safety: wheel chocks, rated supports capable of holding the loader weight, PPE (glasses, gloves), battery disconnect if required.

Safety precautions (must do)
1. Park on level, solid surface. Lower loader arms/attachments to the ground and turn key OFF. Remove key.
2. Block/secure the loader against movement: apply parking brake, chock opposite wheels/tires and place mechanical blocks under attachments as backup.
3. Disconnect or isolate electrical power if required by your shop practice and ensure machine cannot be started.
4. Use lifts / jacks and jack stands rated for the machine — skid steers are heavy; never rely only on a jack. If using an overhead lift, use designated lift points.
5. Wear eye protection and gloves; keep hands clear of pinch points.

Step‑by‑step rotor replacement
1. Preparation
- Gather parts/tools and confirm rotor part number for the model/year.
- Clean work area around wheel and brakes so debris doesn’t contaminate pads or rotors.

2. Raise and secure machine
- Chock loader and supported wheels. Raise the machine per shop procedure (lift arms down, lift via lift points).
- Place rated jack stands under the recommended support locations and lower machine onto stands. Ensure stable and level support.

3. Remove wheel/tire assembly
- Break lug nuts loose with breaker bar before lifting if possible.
- Remove lug nuts and remove wheel. Place wheel aside.

4. Inspect assembly and locate caliper & rotor mounting
- Identify caliper mounting bolts and any rotor retaining screws or clips.
- Note orientation of any ABS sensors, dust shields, parking brake linkages. If a parking/e‑brake acts on the rotor or is integrated, follow OEM steps to release it.

5. Remove caliper (and caliper bracket if necessary)
- Use appropriate sockets/Allen keys to remove caliper guide pins or caliper mounting bolts.
- Do not let caliper hang by the brake hose — hang it with wire or a caliper hanger to the frame.
- If the caliper bracket (carrier) must be removed to access rotor, remove its bolts. Keep track of shims and hardware.

Tool details: Use breaker bar or impact for seized bolts. Use the torque wrench on reassembly for correct torque.

6. Remove brake pads and hardware
- Take out pads and any pad retaining clips. Inspect for wear and contamination. Replace pads if rotor is being replaced.
- Clean or replace hardware as needed.

7. Remove rotor
- If rotor retention screw(s) present, remove now (May be small Phillips/Torx screws).
- Rotor may be rusted onto hub. Apply penetrating oil at hub/rotor interface and allow time.
- Tap rotor face from back with a dead‑blow hammer to break corrosion. Use a puller if rotor doesn’t slide off by hand.
- If hub or axle must be disassembled to remove rotor, follow OEM instructions — inspect bearings/seals and replace if disturbed or worn.

Pitfall: Do NOT strike the rotor hub face where a bearing rides; strike rotor only. Avoid damaging wheel studs.

8. Clean hub mating surface
- Wire brush the hub surface until clean and flat. Remove rust/old gasket material. A smooth mating surface is required to prevent rotor runout.
- Apply a thin coat of high temperature anti‑seize to the hub face (not on the braking surfaces).

9. Fit new rotor
- Verify new rotor corresponds to the model and is correct direction/side if directional.
- Slide rotor onto hub. If it’s a tight fit, gentle taps with a rubber mallet on rotor face will seat it.
- Refit rotor retaining screw if present (use thread locker if OEM calls for it).

10. Reinstall caliper bracket and caliper
- Clean caliper bracket contact areas and apply a thin coat of high temp grease to guide pins.
- Reinstall caliper bracket and torque bolts to OEM spec.
- Compress caliper piston(s) with a piston tool or C‑clamp so pads fit over new rotor (do this slowly and watch reservoir level).
- Reinstall pads and caliper, torque caliper bolts to OEM spec.

Tool details: Torque wrench must be used for caliper and lug nut torques. Caliper piston tool spreads the piston evenly to avoid damage.

11. Reassemble wheel
- Reinstall wheel and hand‑thread lug nuts. Lower machine to ground slightly so wheel contacts ground (or fully depending on procedure) and torque lug nuts in a cross pattern to OEM torque spec.

12. Bleed and check system (if hydraulic pressure was lost or fluid contaminated)
- If caliper was disconnected or fluid level dropped, bleed brakes according to OEM sequence until no air. Top up brake fluid reservoir to correct level with specified DOT fluid.
- Pump brake pedal/lever several times with engine off to seat pads against rotors; check for firm pedal/lever before moving machine.

13. Final checks and test
- Inspect for leaks, correct component installation, and correct torques.
- Road/operational test: move machine at low speed and apply brakes firmly multiple times to bed in pads to new rotor (follow bedding procedure for the pads used).
- Reinspect lug nuts after initial hours of operation and re‑torque per spec.

Common pitfalls and how to avoid them
- Trying to lift/support the machine with only a hydraulic jack: always use rated stands/blocks.
- Letting the caliper hang on the brake hose: use a hanger or wire to avoid hose damage.
- Not cleaning the hub mating surface: causes rotor runout and vibration.
- Contaminating pad or rotor surfaces with grease/solvent: use brake cleaner; do not get anti‑seize on friction surfaces.
- Using incorrect torque values: always use OEM torque specs for caliper and wheel fasteners; under/over torque causes failures or warped rotors.
- Not replacing pads with rotors: new rotors with worn pads gives poor contact and accelerated wear.
- Failing to bleed properly: leads to soft pedal or brake failure.
- Hammering on hub components or bearings: may damage bearings; use rotor pullers or heat/penetrant to free a stuck rotor.
- Reusing rusted or damaged rotor retaining screws/studs: replace as necessary.

Additional notes specific to tools and how they’re used
- Impact gun: speeds removal of lug and caliper bolts but do final torque with a calibrated torque wrench.
- Breaker bar: use to initially break loose seized bolts; don’t attempt final torque checks with it.
- Torque wrench: set to the OEM specified torque and apply smooth, steady force. Recheck critical fasteners after initial use.
- Caliper piston tool / C‑clamp: compresses piston(s) evenly; use slowly and watch master cylinder fluid level to prevent overflow.
- Penetrating oil + heat: for seized rotors, apply penetrant and allow dwell time. Use heat cautiously only on the rotor (not hub seals/bearings) to free rust bonds.

Replacement parts checklist
- New rotor(s) (right part number for SGK6 / SDK6 / SDK8)
- New brake pads (recommended with rotor replacement)
- Caliper guide pin boots/guides and pad hardware kit (clips, shims)
- Rotor retaining screws (if applicable)
- Brake fluid (DOT type specified by Toyota)
- Anti‑seize, caliper grease
- Wheel bearings/seals if hub disassembly required or if found worn

Final reminder
- Follow OEM service manual for specific torque specifications, bleed sequence, and any model‑specific steps (parking brake linkages, sensor locations, or axle/hub designs). If you do not have OEM specs available, obtain the workshop manual before proceeding.

Done.
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